US Bridges

Ramp to I 25 Nbnd over Clear Creek R

Good

Adams County, Colorado · .2 MI N 76; .1 MI E I-25 · Structure no. E-17-NW

Built
1992
33 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
239 ft
3 main spans
Daily traffic
121,000
2020 count
Owner
State
State Highway Agency

About this bridge

Ramp to I 25 Nbnd over Clear Creek R is a prestressed concrete continuous box beam or girders - single or spread carrying Ramp to I 25 Nbnd over Clear Creek R in Adams 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 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 121,000 vehicles a day, roughly 10% of them trucks, projected to reach 141,570 by 2040. The structure is 239 ft (72.8 m) long and 32 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRamp to I 25 Nbnd
CrossesClear Creek R
Location.2 MI N 76; .1 MI E I-25
RouteInterstate 25A
Coordinates39.82183, -104.98089
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.5 US tons
Inventory rating41 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length239 ft (72.8 m)
Longest span80 ft (24.4 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic121,000 (2020)
Projected traffic141,570 by 2040
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 Ramp to I 25 Nbnd over Clear Creek R built?

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

What condition is Ramp to I 25 Nbnd over Clear Creek 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 June 2023.

How much traffic does Ramp to I 25 Nbnd over Clear Creek R carry?

About 121,000 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Ramp to I 25 Nbnd over Clear Creek R?

The structure is 239 ft (72.8 m) long with a longest span of 80 ft (24.4 m) and a deck 32 ft wide.

Who owns Ramp to I 25 Nbnd over Clear Creek R?

It is owned by the State Highway Agency.