US Bridges

136th Avenue over Big Dry Creek

Good

Adams County, Colorado · 0.6 MI E of I-25 · Structure no. THN-136WAS-BDC

Built
2004
21 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
198 ft
2 main spans
Daily traffic
22,524
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

136th Avenue over Big Dry Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying 136th Avenue over Big Dry Creek in Adams County, Colorado. It was built in 2004, so it is 21 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 22,524 vehicles a day, roughly 4% of them trucks, projected to reach 29,282 by 2041. The structure is 198 ft (60.3 m) long and 96 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries136th Avenue
CrossesBig Dry Creek
Location0.6 MI E of I-25
RouteCity Street 0
Coordinates39.94303, -104.98036
Functional classUrban Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.7 US tons
Inventory rating40.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans2
Design loadHS 25 or greater
Structure length198 ft (60.3 m)
Longest span94 ft (28.7 m)
Deck width96 ft (29.2 m)
Roadway width72 ft (22 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,524 (2021)
Projected traffic29,282 by 2041
Trucks4%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Avenue over Big Dry Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is 136th Avenue over Big Dry Creek 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 January 2024.

How much traffic does 136th Avenue over Big Dry Creek carry?

About 22,524 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is 136th Avenue over Big Dry Creek?

The structure is 198 ft (60.3 m) long with a longest span of 94 ft (28.7 m) and a deck 96 ft wide.

Who owns 136th Avenue over Big Dry Creek?

It is owned by the City or Municipal Highway Agency.