US Bridges

US 287 Ml over US 50 Ml

Fair

Prowers County, Colorado · JCT SH 287 Wiley JCT · Structure no. L-26-BU

Built
1988
37 years old
Condition
Fair
inspected January 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
227 ft
2 main spans
Daily traffic
4,100
2020 count
Owner
State
State Highway Agency

About this bridge

US 287 Ml over US 50 Ml is a prestressed concrete continuous tee beam carrying US 287 Ml over US 50 Ml in Prowers County, Colorado. It was built in 1988, so it is 37 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 4,100 vehicles a day, roughly 39% of them trucks, projected to reach 5,330 by 2040. The structure is 227 ft (69.1 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 287 Ml
CrossesUS 50 Ml
LocationJCT SH 287 Wiley JCT
RouteU.S. Route 287B
Coordinates38.11523, -102.72254
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.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating77.4 US tons
Inventory rating46.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length227 ft (69.1 m)
Longest span114 ft (34.7 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,100 (2020)
Projected traffic5,330 by 2040
Trucks39%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 US 50 Ml built?

It was built in 1988, making it 37 years old in 2025.

What condition is US 287 Ml over US 50 Ml 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 January 2024.

How much traffic does US 287 Ml over US 50 Ml carry?

About 4,100 vehicles per day (2020 count), of which roughly 39% are trucks.

How long is US 287 Ml over US 50 Ml?

The structure is 227 ft (69.1 m) long with a longest span of 114 ft (34.7 m) and a deck 47 ft wide.

Who owns US 287 Ml over US 50 Ml?

It is owned by the State Highway Agency.