I 25 ML NBND over LITTLE THOMPSON RIVER (Route: 25)
Num:C-17-Nx
Open: no restriction [A]
Built: 1961, Reconstructed: 1989
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): Concrete [1] Tee beam [04]
Approach Span(s): Other [00]
Deck: Concrete Precast Panels [2] with Wearing Surface: Other [9]

Bridge Dimensions
Length: 53 m = 173.9 ft
Main Spans: 3 at 17.4 m = 57.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 11.3 m = 37.1 ft (2 Lanes) and Out-To-Out: 12.3 m = 40.4 ft for a 11.6 m = 38.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Johnstown [39855]: Weld County [123], Colorado [08]
Owned by State Highway Agency [01], DOT District: 41
6.7 MI N OF JCT SH 66

Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 48.3 metric ton = 53.1 tons (Load Factor(LF) [1])
Inventory: 28.9 metric ton = 31.8 tons (Load Factor(LF) [1])

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: Better than present minimum criteria [7] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: June 1999 [699] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.1 km = 0.1 mi
Traffic
ADT: 84000 (2018) and Trucks: 14%
Future ADT: 50560 (In 2031 )

I 25 ML SBND over LITTLE THOMPSON RIVER (Route: 25)
Num:C-17-Ax
Open: no restriction [A]
Built: 1961, Reconstructed: 1989
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): Concrete [1] Tee beam [04]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Other [9]

Bridge Dimensions
Length: 53 m = 173.9 ft
Main Spans: 3 at 17.4 m = 57.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 11.3 m = 37.1 ft (2 Lanes) and Out-To-Out: 12.3 m = 40.4 ft for a 11.6 m = 38.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Johnstown [39855]: Weld County [123], Colorado [08]
Owned by State Highway Agency [01], DOT District: 41
0.4 MI SO OF JCT SH 56

Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 48.3 metric ton = 53.1 tons (Load Factor(LF) [1])
Inventory: 28.9 metric ton = 31.8 tons (Load Factor(LF) [1])

Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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: Better than present minimum criteria [7] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: June 1999 [699] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.1 km = 0.1 mi
Traffic
ADT: 84000 (2018) and Trucks: 14%
Future ADT: 50560 (In 2031 )

I 25 SERVICE RD over LITTLE THOMPSON RIVER SR (Route: 25)
Num:C-17-FSx
Open: no restriction [A]
Built: 2013, 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): Prestressed concrete continuous [6] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]

Bridge Dimensions
Length: 53.8 m = 176.5 ft
Main Spans: 3 at 17.7 m = 58.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 12.2 m = 40.0 ft (2 Lanes) and Out-To-Out: 13.1 m = 43.0 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Johnstown [39855]: Weld County [123], Colorado [08]
Owned by State Highway Agency [01], DOT District: 41
6.7 MI NO OF JCT SH 56

Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: HL93 [A]
Operating: 58.3 metric ton = 64.1 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 38.9 metric ton = 42.8 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])

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: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: June 1999 [699] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 84000 (2018) and Trucks: 14%
Future ADT: 3400 (In 2031 )

SH 56 ML over I 25 ML (Route: 56)
Num:C-17-AJx
Open: no restriction [A]
Built: 1961, 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): Concrete continuous [2] Tee beam [04]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]

Bridge Dimensions
Length: 68 m = 223.1 ft
Main Spans: 4 at 20 m = 65.6 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 9.1 m = 29.9 ft (2 Lanes) and Out-To-Out: 10.4 m = 34.1 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Johnstown [39855]: Weld County [123], Colorado [08]
Owned by State Highway Agency [01], DOT District: 41
4.9 MI E OF JCT US 287

Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 68.9 metric ton = 75.8 tons (Load Factor(LF) [1])
Inventory: 41.2 metric ton = 45.3 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present minimum criteria [6]
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: June 1999 [699] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 7400 (2018) and Trucks: 4%
Future ADT: 11544 (In 2038 )