US Bridges

US 287 Ml over South Mule Creek

Fair

Prowers County, Colorado · 18.7 MI S of Lamar · Structure no. M-26-L

Built
1999
26 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
73 ft
5 main spans
Daily traffic
3,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 287 Ml over South Mule Creek is a concrete culvert carrying US 287 Ml over South Mule Creek in Prowers County, Colorado. It was built in 1999, so it is 26 years old, younger 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 3,000 vehicles a day, roughly 51% of them trucks, projected to reach 4,320 by 2040. The structure is 73 ft (22.4 m) long and 65 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesUS 287 Ml
CrossesSouth Mule Creek
Location18.7 MI S of Lamar
RouteU.S. Route 287A
Coordinates37.79271, -102.61157
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length73 ft (22.4 m)
Longest span14 ft (4.3 m)
Deck width65 ft (19.7 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2020)
Projected traffic4,320 by 2040
Trucks51%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 South Mule Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is US 287 Ml over South Mule 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 August 2024.

How much traffic does US 287 Ml over South Mule Creek carry?

About 3,000 vehicles per day (2020 count), of which roughly 51% are trucks.

How long is US 287 Ml over South Mule Creek?

The structure is 73 ft (22.4 m) long with a longest span of 14 ft (4.3 m) and a deck 65 ft wide.

Who owns US 287 Ml over South Mule Creek?

It is owned by the State Highway Agency.