US Bridges

US 287 Ml over Deadman Creek

Fair

Larimer County, Colorado · 23 Miles North of Teds Pl · Structure no. A-15-R

Built
1960
65 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
70 ft
3 main spans
Daily traffic
3,900
2020 count
Owner
State
State Highway Agency

About this bridge

US 287 Ml over Deadman Creek is a concrete tee beam carrying US 287 Ml over Deadman Creek in Larimer County, Colorado. It was built in 1960, so it is 65 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,900 vehicles a day, roughly 21% of them trucks, projected to reach 4,407 by 2040. The structure is 70 ft (21.2 m) long and 48 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesUS 287 Ml
CrossesDeadman Creek
Location23 Miles North of Teds Pl
RouteU.S. Route 287C
Coordinates40.93655, -105.34217
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.8 US tons
Inventory rating40.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckOther
Main spans3
Design loadHS 20
Structure length70 ft (21.2 m)
Longest span22 ft (6.7 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2020)
Projected traffic4,407 by 2040
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Deadman Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is US 287 Ml over Deadman Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does US 287 Ml over Deadman Creek carry?

About 3,900 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is US 287 Ml over Deadman Creek?

The structure is 70 ft (21.2 m) long with a longest span of 22 ft (6.7 m) and a deck 48 ft wide.

Who owns US 287 Ml over Deadman Creek?

It is owned by the State Highway Agency.