US Bridges

I 25 Ml Nbnd over Clear Creek

Fair

Adams County, Colorado · 0.2 Mile North of I76 Ml · Structure no. E-17-OZ

Built
1993
32 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
278 ft
3 main spans
Daily traffic
121,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Ml Nbnd over Clear Creek is a prestressed concrete continuous box beam or girders - single or spread carrying I 25 Ml Nbnd over Clear Creek in Adams 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 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 121,000 vehicles a day, roughly 10% of them trucks, projected to reach 141,570 by 2040. The structure is 278 ft (84.8 m) long and 99 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 25 Ml Nbnd
CrossesClear Creek
Location0.2 Mile North of I76 Ml
RouteInterstate 25A
Coordinates39.82083, -104.98237
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating35.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length278 ft (84.8 m)
Longest span90 ft (27.5 m)
Deck width99 ft (30.2 m)
Roadway width96 ft (29.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic121,000 (2020)
Projected traffic141,570 by 2040
Trucks10%
Lanes on structure5
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 I 25 Ml Nbnd over Clear Creek built?

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

What condition is I 25 Ml Nbnd over Clear Creek 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 July 2024.

How much traffic does I 25 Ml Nbnd over Clear Creek carry?

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

How long is I 25 Ml Nbnd over Clear Creek?

The structure is 278 ft (84.8 m) long with a longest span of 90 ft (27.5 m) and a deck 99 ft wide.

Who owns I 25 Ml Nbnd over Clear Creek?

It is owned by the State Highway Agency.