OLD HWY 10 E over O`FALLON CREEK 043 (Route: 81020)
Num:L40004021+03001x
Open: no restriction [A]
Built: 1948, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.1 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: 68.3 m = 224.1 ft
Main Spans: 2 at 33.5 m = 109.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 9.7 m = 31.8 ft for a 7.6 m = 24.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Prairie County [079], Montana [30]
Owned by State Highway Agency [01], DOT District: 4
1M W FALLON

Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 13.5 / HS 15 [3]
Operating: 40.8 metric ton = 44.9 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: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: July 1999 [799] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 2.6 km = 1.6 mi
Traffic
ADT: 470 (2019) and Trucks: 0%
Future ADT: 494 (In 2039 )

OLD HWY 10 E over RR 046 (Route: 81020)
Num:L40004021+04001x
Open: no restriction [A]
Built: 1934, Reconstructed: 1949
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Tee beam [04]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]

Bridge Dimensions
Length: 45 m = 147.6 ft
Main Spans: 3 at 15.5 m = 50.9 ft
Approach Spans: 0
Skew: 45
Width, Roadway: 8.6 m = 28.2 ft (2 Lanes) and Out-To-Out: 10.5 m = 34.5 ft for a 7.6 m = 24.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Prairie County [079], Montana [30]
Owned by State Highway Agency [01], DOT District: 4
1M W FALLON

Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: M 13.5 / H 15 [2]
Operating: 50.8 metric ton = 55.9 tons (Allowable Stress(AS) [2])
Inventory: 17.2 metric ton = 18.9 tons (Allowable Stress(AS) [2])

Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present minimum criteria [6]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: May 2020 [0520] and Frequency: 24

Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 2.6 km = 1.6 mi
Traffic
ADT: 100 (2003) and Trucks: 0%
Future ADT: 100 (In 2026 )

I 94 over RR (Route: 94)
Num:I00094185+00822x
Open: no restriction [A]
Built: 1977, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.7 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: 70.7 m = 232.0 ft
Main Spans: 3 at 23.8 m = 78.1 ft
Approach Spans: 0
Skew: 44
Width, Roadway: 12.7 m = 41.7 ft (2 Lanes) and Out-To-Out: 13.5 m = 44.3 ft for a 11.4 m = 37.4 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Prairie County [079], Montana [30]
Owned by State Highway Agency [01], DOT District: 4
SW FALLON

Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 44.5 metric ton = 49.0 tons (Load and Resistance Factor(LRFR) [3])
Inventory: 22.7 metric ton = 25.0 tons (Load and Resistance Factor(LRFR) [3])

Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present minimum criteria [6]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: March 2020 [0320] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.1 km = 0.1 mi
Traffic
ADT: 2185 (2019) and Trucks: 24%
Future ADT: 4937 (In 2039 )