US Bridges

Rmp I70EB to I25NB over I 25 Ml I 70 Ml Ramps R

Fair

Denver County, Colorado · Denver over Mousetrap · Structure no. E-16-ND

Built
1992
33 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
1,932 ft
11 main spans
Daily traffic
7,800
2018 count
Owner
State
State Highway Agency

About this bridge

Rmp I70EB to I25NB over I 25 Ml I 70 Ml Ramps R is a steel continuous box beam or girders - single or spread carrying Rmp I70EB to I25NB over I 25 Ml I 70 Ml Ramps R in Denver County, Colorado. It was built in 1992, so it is 33 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 7,800 vehicles a day, roughly 9% of them trucks, projected to reach 18,500 by 2025. The structure is 1,932 ft (589 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRmp I70EB to I25NB
CrossesI 25 Ml I 70 Ml Ramps R
LocationDenver over Mousetrap
RouteInterstate 25A
Coordinates39.78009, -104.99192
Functional classUrban Principal Arterial - Interstate

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating18.5 US tons
Inventory rating14.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans11
Design loadHL 93
Structure length1,932 ft (589 m)
Longest span210 ft (64 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,800 (2018)
Projected traffic18,500 by 2025
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesFourth level (interchange)
CrossesHighway
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 Rmp I70EB to I25NB over I 25 Ml I 70 Ml Ramps R built?

It was built in 1992, making it 33 years old in 2025.

What condition is Rmp I70EB to I25NB over I 25 Ml I 70 Ml Ramps R 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 September 2023.

How much traffic does Rmp I70EB to I25NB over I 25 Ml I 70 Ml Ramps R carry?

About 7,800 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Rmp I70EB to I25NB over I 25 Ml I 70 Ml Ramps R?

The structure is 1,932 ft (589 m) long with a longest span of 210 ft (64 m) and a deck 36 ft wide.

Who owns Rmp I70EB to I25NB over I 25 Ml I 70 Ml Ramps R?

It is owned by the State Highway Agency.