US Bridges

I 25 Ml Sbnd over Little Thompson River

Good

Weld County, Colorado · 0.4 MI So of JCT SH 56 · Structure no. C-17-FF

Built
2020
5 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
188 ft
3 main spans
Daily traffic
41,000
2022 count
Owner
State
State Highway Agency

About this bridge

I 25 Ml Sbnd over Little Thompson River is a prestressed concrete continuous box beam or girders - multiple carrying I 25 Ml Sbnd over Little Thompson River in Weld County, Colorado. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 41,000 vehicles a day, roughly 10% of them trucks, projected to reach 57,359 by 2042. The structure is 188 ft (57.2 m) long and 91 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 25 Ml Sbnd
CrossesLittle Thompson River
Location0.4 MI So of JCT SH 56
RouteInterstate 25A
Coordinates40.30083, -104.9803
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length188 ft (57.2 m)
Longest span64 ft (19.5 m)
Deck width91 ft (27.7 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,000 (2022)
Projected traffic57,359 by 2042
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
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 Ml Sbnd over Little Thompson River built?

It was built in 2020, making it 5 years old in 2025.

What condition is I 25 Ml Sbnd over Little Thompson River 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 Ml Sbnd over Little Thompson River carry?

About 41,000 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is I 25 Ml Sbnd over Little Thompson River?

The structure is 188 ft (57.2 m) long with a longest span of 64 ft (19.5 m) and a deck 91 ft wide.

Who owns I 25 Ml Sbnd over Little Thompson River?

It is owned by the State Highway Agency.