US Bridges

US 287 Ml over Light Rail

Good

Adams County, Colorado · 1 MI S of US 36 · Structure no. E-16-YG

Built
2016
9 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
162 ft
2 main spans
Daily traffic
30,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 287 Ml over Light Rail is a prestressed concrete continuous stringer/multi-beam or girder carrying US 287 Ml over Light Rail in Adams County, Colorado. It was built in 2016, so it is 9 years old, younger 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 30,000 vehicles a day, roughly 3% of them trucks, projected to reach 33,000 by 2040. The structure is 162 ft (49.4 m) long and 118 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 287 Ml
CrossesLight Rail
Location1 MI S of US 36
RouteU.S. Route 287C
Coordinates39.82054, -105.02499
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length162 ft (49.4 m)
Longest span114 ft (34.6 m)
Deck width118 ft (36 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,000 (2020)
Projected traffic33,000 by 2040
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
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 Light Rail built?

It was built in 2016, making it 9 years old in 2025.

What condition is US 287 Ml over Light Rail 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 February 2025.

How much traffic does US 287 Ml over Light Rail carry?

About 30,000 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is US 287 Ml over Light Rail?

The structure is 162 ft (49.4 m) long with a longest span of 114 ft (34.6 m) and a deck 118 ft wide.

Who owns US 287 Ml over Light Rail?

It is owned by the State Highway Agency.