HistoricBridges.org Bridge Locator

Nearby Bridges in NBI 2021: 7

SUN RIVER RD over SEP WEST HILL-I 15 127 (Route: 5225)
Num:L07852000+01001x
Open: no restriction [A]
Built: 1967, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]

Bridge Dimensions
Length: 97.5 m = 319.9 ft
Main Spans: 6 at 20.3 m = 66.6 ft
Approach Spans: 0
Skew: 30
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 10.4 m = 34.1 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Cascade County [013], Montana [30]
Owned by State Highway Agency [01], DOT District: 3
GREAT FALLS

Condition
Deck: Fair [5]
Superstructure: Very Good [8]
Substructure: Satisfactory [6]
Loading
Design: MS 13.5 / HS 15 [3]
Operating: 24.4 metric ton = 26.8 tons (Allowable Stress(AS) [2])
Inventory: 24.4 metric ton = 26.8 tons (Allowable Stress(AS) [2])

Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Better than present minimum criteria [7]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: August 2020 [0820] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.8 km = 0.5 mi
Traffic
ADT: 1254 (2019) and Trucks: 0%
Future ADT: 1367 (In 2039 )

OFF RAMP TO 14TH S over RR (Route: 315)
Num:I00315001+00693x
Open: no restriction [A]
Built: 1996, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 Kilometers)

Bridge Dimensions
Length: 56.7 m = 186.0 ft
Main Spans: 5 at 15.6 m = 51.2 ft
Approach Spans: 0
Skew: 33
Width, Roadway: 7.1 m = 23.3 ft (1 Lanes) and Out-To-Out: 8 m = 26.2 ft for a 7.2 m = 23.6 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Cascade County [013], Montana [30]
Owned by State Highway Agency [01], DOT District: 3
GREAT FALLS

Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: MS 18 / HS 20 [5]
Operating: 32.7 metric ton = 36.0 tons (Unknown [A])
Inventory: 32.7 metric ton = 36.0 tons (Unknown [A])

Appraisal
Structural: Equal to present desirable criteria [8]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Better than present minimum criteria [7]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: May 1999 [599] and Frequency: 48

Future Work
Work Needed:
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 25500 (2009) and Trucks: 2%
Future ADT: 33660 (In 2029 )

BRANCH I 15-U.S. 8 over RR (Route: 315)
Num:I00315001+00692x
Open: no restriction [A]
Built: 1967, Reconstructed: 1996
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 Kilometers)

Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]

Bridge Dimensions
Length: 63.4 m = 208.0 ft
Main Spans: 1 at 15.7 m = 51.5 ft
Approach Spans: 4
Skew: 30
Width, Roadway: 11.2 m = 36.7 ft (2 Lanes) and Out-To-Out: 12.1 m = 39.7 ft for a 11.2 m = 36.7 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Great Falls [32800]: Cascade County [013], Montana [30]
Owned by State Highway Agency [01], DOT District: 3
GREAT FALLS

Condition
Deck: Fair [5]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 59 metric ton = 64.9 tons (Load Factor(LF) [1])
Inventory: 35.4 metric ton = 38.9 tons (Load Factor(LF) [1])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: May 1999 [599] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.1 km = 0.1 mi
Traffic
ADT: 13041 (2019) and Trucks: 2%
Future ADT: 28559 (In 2039 )

BRANCH I 15-U.S. 8 over RR (Route: 315)
Num:I00315001+00691x
Open: no restriction [A]
Built: 1946, Reconstructed: 1996
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.6 Kilometers)

Bridge Type
Main Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]

Bridge Dimensions
Length: 54.2 m = 177.8 ft
Main Spans: 3 at 20.4 m = 66.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 13.6 m = 44.6 ft (3 Lanes) and Out-To-Out: 14.5 m = 47.6 ft for a 13.6 m = 44.6 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Great Falls [32800]: Cascade County [013], Montana [30]
Owned by State Highway Agency [01], DOT District: 3
GREAT FALLS

Condition
Deck: Fair [5]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 59.9 metric ton = 65.9 tons (Load Factor(LF) [1])
Inventory: 35.4 metric ton = 38.9 tons (Load Factor(LF) [1])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: May 1999 [599] and Frequency: 24

Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.1 km = 0.1 mi
Traffic
ADT: 13041 (2019) and Trucks: 2%
Future ADT: 28559 (In 2039 )

I 315S over FAU 5225-14TH ST SW (Route: 315)
Num:I00315000+03422x
Open: no restriction [A]
Built: 1967, Reconstructed: 1995
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 Kilometers)

Bridge Dimensions
Length: 45.6 m = 149.6 ft
Main Spans: 3 at 15.7 m = 51.5 ft
Approach Spans: 0
Skew: 25
Width, Roadway: 13.7 m = 44.9 ft (3 Lanes) and Out-To-Out: 14.4 m = 47.2 ft for a 14 m = 45.9 ft approaching roadway.
Vertical Clearance: 5.96 m = 19.6 ft and Navigational Clearance: 0 = N/A

Location
Great Falls [32800]: Cascade County [013], Montana [30]
Owned by State Highway Agency [01], DOT District: 3
GREAT FALLS

Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 53.5 metric ton = 58.9 tons (Load and Resistance Factor(LRFR) [3])
Inventory: 40.8 metric ton = 44.9 tons (Load and Resistance Factor(LRFR) [3])

Future Work
Work Needed:
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 13041 (2019) and Trucks: 2%
Future ADT: 28559 (In 2039 )

I 315S over FAU 5225-14TH ST SW (Route: 315)
Num:I00315000+03421x
Open: no restriction [A]
Built: 1967, Reconstructed: 1995
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 Kilometers)

Bridge Dimensions
Length: 45.7 m = 149.9 ft
Main Spans: 3 at 15.7 m = 51.5 ft
Approach Spans: 0
Skew: 25
Width, Roadway: 10.9 m = 35.8 ft (2 Lanes) and Out-To-Out: 11.9 m = 39.0 ft for a 10.9 m = 35.8 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Great Falls [32800]: Cascade County [013], Montana [30]
Owned by State Highway Agency [01], DOT District: 3
GREAT FALLS

Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 51.7 metric ton = 56.9 tons (Load and Resistance Factor(LRFR) [3])
Inventory: 39.9 metric ton = 43.9 tons (Load and Resistance Factor(LRFR) [3])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: September 2020 [0920] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 13041 (2019) and Trucks: 2%
Future ADT: 28559 (In 2039 )

I 315 S over FAU 5225-14TH ST SW (Route: 315)
Num:I00315000+03423x
Open: no restriction [A]
Built: 1997, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 Kilometers)

Bridge Dimensions
Length: 41.5 m = 136.2 ft
Main Spans: 3 at 14.4 m = 47.2 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 7.1 m = 23.3 ft (1 Lanes) and Out-To-Out: 8 m = 26.2 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Great Falls [32800]: Cascade County [013], Montana [30]
Owned by State Highway Agency [01], DOT District: 3
GREAT FALLS

Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: MS 18 / HS 20 [5]
Operating: 34.6 metric ton = 38.1 tons (Unknown [A])
Inventory: 32.7 metric ton = 36.0 tons (Unknown [A])

Future Work
Work Needed:
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 1269 (2019) and Trucks: 0%
Future ADT: 2765 (In 2039 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S - Dismantled and/or in storage. L - Severe loss of historic integrity due to alteration.

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