US Bridges

US 287 Ml over Draw

Fair

Larimer County, Colorado · 2.5 MI N of JCT SH 14 · Structure no. B-16-CP

Built
1967
58 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
6,500
2020 count
Owner
State
State Highway Agency

About this bridge

US 287 Ml over Draw is a concrete culvert carrying US 287 Ml over Draw in Larimer County, Colorado. It was built in 1967, so it is 58 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 6,500 vehicles a day, roughly 15% of them trucks, projected to reach 7,410 by 2040. The structure is 30 ft (9.1 m) long and 49 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 287 Ml
CrossesDraw
Location2.5 MI N of JCT SH 14
RouteU.S. Route 287C
Coordinates40.69472, -105.17486
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 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 evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.4 US tons
Inventory rating34.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span14 ft (4.3 m)
Deck width49 ft (15 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2020)
Projected traffic7,410 by 2040
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Draw built?

It was built in 1967, making it 58 years old in 2025.

What condition is US 287 Ml over Draw 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 Draw carry?

About 6,500 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is US 287 Ml over Draw?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m) and a deck 49 ft wide.

Who owns US 287 Ml over Draw?

It is owned by the State Highway Agency.