US Bridges

136th Ave over I 76 Ml

Fair

Adams County, Colorado · 136th Ave over I76 Ml · Structure no. E-17-PR

Built
1994
31 years old
Condition
Fair
inspected March 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
250 ft
2 main spans
Daily traffic
5,079
2024 count
Owner
State
State Highway Agency

About this bridge

136th Ave over I 76 Ml is a prestressed concrete continuous stringer/multi-beam or girder carrying 136th Ave over I 76 Ml in Adams County, Colorado. It was built in 1994, so it is 31 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 5,079 vehicles a day, roughly 6% of them trucks, projected to reach 6,602 by 2044. The structure is 250 ft (76.2 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries136th Ave
CrossesI 76 Ml
Location136th Ave over I76 Ml
RouteCity Street 0
Coordinates39.94326, -104.78511
Functional classUrban Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length250 ft (76.2 m)
Longest span123 ft (37.4 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,079 (2024)
Projected traffic6,602 by 2044
Trucks6%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 136th Ave over I 76 Ml built?

It was built in 1994, making it 31 years old in 2025.

What condition is 136th Ave over I 76 Ml 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 March 2025.

How much traffic does 136th Ave over I 76 Ml carry?

About 5,079 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is 136th Ave over I 76 Ml?

The structure is 250 ft (76.2 m) long with a longest span of 123 ft (37.4 m) and a deck 55 ft wide.

Who owns 136th Ave over I 76 Ml?

It is owned by the State Highway Agency.