US Bridges

RMP/I25NB to I70WB over Ramp to I-25 Sbnd R

Good

Denver County, Colorado · In Denver(mousetrap) · Structure no. E-17-PB

Built
1993
32 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
231 ft
3 main spans
Daily traffic
78,500
2020 count
Owner
State
State Highway Agency

About this bridge

RMP/I25NB to I70WB over Ramp to I-25 Sbnd R is a steel continuous box beam or girders - single or spread carrying RMP/I25NB to I70WB over Ramp to I-25 Sbnd R in Denver County, Colorado. It was built in 1993, so it is 32 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 78,500 vehicles a day, roughly 9% of them trucks, projected to reach 92,630 by 2040. The structure is 231 ft (70.4 m) long and 36 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRMP/I25NB to I70WB
CrossesRamp to I-25 Sbnd R
LocationIn Denver(mousetrap)
RouteInterstate 70A
CountyDenver County
StateColorado
Coordinates39.78054, -104.98805
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.1 US tons
Inventory rating37 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length231 ft (70.4 m)
Longest span165 ft (50.3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deck27 ft (8.2 m)

Traffic and service

Average daily traffic78,500 (2020)
Projected traffic92,630 by 2040
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed0.6 mi (1 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/I25NB to I70WB over Ramp to I-25 Sbnd R built?

It was built in 1993, making it 32 years old in 2025.

What condition is RMP/I25NB to I70WB over Ramp to I-25 Sbnd R 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 2024.

How much traffic does RMP/I25NB to I70WB over Ramp to I-25 Sbnd R carry?

About 78,500 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is RMP/I25NB to I70WB over Ramp to I-25 Sbnd R?

The structure is 231 ft (70.4 m) long with a longest span of 165 ft (50.3 m) and a deck 36 ft wide.

Who owns RMP/I25NB to I70WB over Ramp to I-25 Sbnd R?

It is owned by the State Highway Agency.