US Bridges

US 287 Ml over I 70 Ml

Fair

Denver County, Colorado · Denver Federal Blvd. · Structure no. E-16-FJ

Built
1965
60 years old
Condition
Fair
inspected February 2025
Type
Tee Beam
Prestressed Concrete Continuous
Length
202 ft
3 main spans
Daily traffic
31,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 287 Ml over I 70 Ml is a prestressed concrete continuous tee beam carrying US 287 Ml over I 70 Ml in Denver County, Colorado. It was built in 1965, so it is 60 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 31,000 vehicles a day, roughly 3% of them trucks, projected to reach 33,480 by 2040. The structure is 202 ft (61.6 m) long and 94 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 287 Ml
CrossesI 70 Ml
LocationDenver Federal Blvd.
RouteU.S. Route 287C
Coordinates39.78403, -105.02502
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum 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 rating50 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length202 ft (61.6 m)
Longest span114 ft (34.7 m)
Deck width94 ft (28.7 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,000 (2020)
Projected traffic33,480 by 2040
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 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 I 70 Ml built?

It was built in 1965, making it 60 years old in 2025.

What condition is US 287 Ml over I 70 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 February 2025.

How much traffic does US 287 Ml over I 70 Ml carry?

About 31,000 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is US 287 Ml over I 70 Ml?

The structure is 202 ft (61.6 m) long with a longest span of 114 ft (34.7 m) and a deck 94 ft wide.

Who owns US 287 Ml over I 70 Ml?

It is owned by the State Highway Agency.