US Bridges

US 287 Ml over Ped/Bike Trail

Good

Larimer County, Colorado · 0.1 MI S of Fthills Pkwy · Structure no. B-16-G

Built
1948
77 years old, rebuilt 2017
Condition
Good
inspected December 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
37,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 287 Ml over Ped/Bike Trail is a concrete slab carrying US 287 Ml over Ped/Bike Trail in Larimer County, Colorado. It was built in 1948 and reconstructed in 2017, so it is 77 years old, older 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 37,000 vehicles a day, roughly 3% of them trucks, projected to reach 40,330 by 2040. The structure is 23 ft (7 m) long and 102 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 287 Ml
CrossesPed/Bike Trail
Location0.1 MI S of Fthills Pkwy
RouteU.S. Route 287C
Coordinates40.54233, -105.0769
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.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating24.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width102 ft (31.2 m)
Roadway width74 ft (22.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,000 (2020)
Projected traffic40,330 by 2040
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byCity or Municipal 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 Ped/Bike Trail built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 2017.

What condition is US 287 Ml over Ped/Bike Trail 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 December 2023.

How much traffic does US 287 Ml over Ped/Bike Trail carry?

About 37,000 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is US 287 Ml over Ped/Bike Trail?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 102 ft wide.

Who owns US 287 Ml over Ped/Bike Trail?

It is owned by the State Highway Agency and maintained by the City or Municipal Highway Agency.