US Bridges

I 25 Service RD over Little Thompson River SR

Good

Weld County, Colorado · 6.7 MI No of JCT SH 56 · Structure no. C-17-FS

Built
2013
12 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
177 ft
3 main spans
Daily traffic
2,400
2011 count
Owner
State
State Highway Agency

About this bridge

I 25 Service RD over Little Thompson River SR is a prestressed concrete continuous box beam or girders - multiple carrying I 25 Service RD over Little Thompson River SR in Weld County, Colorado. It was built in 2013, so it is 12 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,400 vehicles a day, roughly 14% of them trucks, projected to reach 3,400 by 2031. The structure is 177 ft (53.8 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI 25 Service RD
CrossesLittle Thompson River SR
Location6.7 MI No of JCT SH 56
RouteInterstate 25A
Coordinates40.30079, -104.97969
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length177 ft (53.8 m)
Longest span58 ft (17.7 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2011)
Projected traffic3,400 by 2031
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 25 Service RD over Little Thompson River SR built?

It was built in 2013, making it 12 years old in 2025.

What condition is I 25 Service RD over Little Thompson River SR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does I 25 Service RD over Little Thompson River SR carry?

About 2,400 vehicles per day (2011 count), of which roughly 14% are trucks.

How long is I 25 Service RD over Little Thompson River SR?

The structure is 177 ft (53.8 m) long with a longest span of 58 ft (17.7 m) and a deck 43 ft wide.

Who owns I 25 Service RD over Little Thompson River SR?

It is owned by the State Highway Agency.