US Bridges

Ramp to I 25 Nbnd over I 25 Ml Hov Ramp

Good

Adams County, Colorado · I25 & I76 JCT · Structure no. E-17-OH

Built
1991
34 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
508 ft
3 main spans
Daily traffic
37,000
2020 count
Owner
State
State Highway Agency

About this bridge

Ramp to I 25 Nbnd over I 25 Ml Hov Ramp is a steel continuous box beam or girders - single or spread carrying Ramp to I 25 Nbnd over I 25 Ml Hov Ramp in Adams County, Colorado. It was built in 1991, so it is 34 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 37,000 vehicles a day, roughly 11% of them trucks, projected to reach 45,510 by 2040. The structure is 508 ft (154.8 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRamp to I 25 Nbnd
CrossesI 25 Ml Hov Ramp
LocationI25 & I76 JCT
RouteInterstate 76A
Coordinates39.81644, -104.98373
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2023
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 alignment8: Equal to present desirable criteria
Operating rating54.8 US tons
Inventory rating35.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length508 ft (154.8 m)
Longest span222 ft (67.7 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,000 (2020)
Projected traffic45,510 by 2040
Trucks11%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an 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 Ramp to I 25 Nbnd over I 25 Ml Hov Ramp built?

It was built in 1991, making it 34 years old in 2025.

What condition is Ramp to I 25 Nbnd over I 25 Ml Hov Ramp 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 June 2023.

How much traffic does Ramp to I 25 Nbnd over I 25 Ml Hov Ramp carry?

About 37,000 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is Ramp to I 25 Nbnd over I 25 Ml Hov Ramp?

The structure is 508 ft (154.8 m) long with a longest span of 222 ft (67.7 m) and a deck 40 ft wide.

Who owns Ramp to I 25 Nbnd over I 25 Ml Hov Ramp?

It is owned by the State Highway Agency.