US Bridges

US 287 Ml over Cache LA Poudre River

Good

Larimer County, Colorado · Fort Collins · Structure no. B-16-GK

Built
1995
30 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
228 ft
4 main spans
Daily traffic
27,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 287 Ml over Cache LA Poudre River is a prestressed concrete continuous box beam or girders - single or spread carrying US 287 Ml over Cache LA Poudre River in Larimer County, Colorado. It was built in 1995, so it is 30 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 27,000 vehicles a day, roughly 5% of them trucks, projected to reach 31,590 by 2040. The structure is 228 ft (69.6 m) long and 113 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 287 Ml
CrossesCache LA Poudre River
LocationFort Collins
RouteU.S. Route 287C
Coordinates40.59477, -105.07652
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.4 US tons
Inventory rating44.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length228 ft (69.6 m)
Longest span56 ft (17 m)
Deck width113 ft (34.4 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,000 (2020)
Projected traffic31,590 by 2040
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 US 287 Ml over Cache LA Poudre River built?

It was built in 1995, making it 30 years old in 2025.

What condition is US 287 Ml over Cache LA Poudre 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 September 2023.

How much traffic does US 287 Ml over Cache LA Poudre River carry?

About 27,000 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is US 287 Ml over Cache LA Poudre River?

The structure is 228 ft (69.6 m) long with a longest span of 56 ft (17 m) and a deck 113 ft wide.

Who owns US 287 Ml over Cache LA Poudre River?

It is owned by the State Highway Agency.