US Bridges

US 40 Ramp over I25 Ml US40 Ml Plte Rvr

Fair

Denver County, Colorado · Ramp over I25 to WB Colfa · Structure no. F-16-NW

Built
1987
38 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,525 ft
13 main spans
Daily traffic
49,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 40 Ramp over I25 Ml US40 Ml Plte Rvr is a prestressed concrete continuous stringer/multi-beam or girder carrying US 40 Ramp over I25 Ml US40 Ml Plte Rvr in Denver County, Colorado. It was built in 1987, so it is 38 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 49,000 vehicles a day, roughly 3% of them trucks, projected to reach 54,390 by 2040. The structure is 1,525 ft (464.8 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 40 Ramp
CrossesI25 Ml US40 Ml Plte Rvr
LocationRamp over I25 to WB Colfa
RouteState Highway 40C
Coordinates39.74065, -105.01689
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37 US tons
Inventory rating14.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans13
Design loadHS 20 + Mod
Structure length1,525 ft (464.8 m)
Longest span171 ft (52.1 m)
Deck width32 ft (9.9 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49,000 (2020)
Projected traffic54,390 by 2040
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway, waterway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 40 Ramp over I25 Ml US40 Ml Plte Rvr built?

It was built in 1987, making it 38 years old in 2025.

What condition is US 40 Ramp over I25 Ml US40 Ml Plte Rvr 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 May 2024.

How much traffic does US 40 Ramp over I25 Ml US40 Ml Plte Rvr carry?

About 49,000 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is US 40 Ramp over I25 Ml US40 Ml Plte Rvr?

The structure is 1,525 ft (464.8 m) long with a longest span of 171 ft (52.1 m) and a deck 32 ft wide.

Who owns US 40 Ramp over I25 Ml US40 Ml Plte Rvr?

It is owned by the State Highway Agency.