US Bridges

136th Avenue over Second Creek

Fair

Adams County, Colorado · 50 Ft East of US 85 · Structure no. BRI104-136A

Built
1996
29 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
53 ft
1 main span
Daily traffic
4,016
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

136th Avenue over Second Creek is a steel stringer/multi-beam or girder carrying 136th Avenue over Second Creek in Adams County, Colorado. It was built in 1996, so it is 29 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 4,016 vehicles a day, roughly 4% of them trucks, projected to reach 5,220 by 2041. The structure is 53 ft (16.2 m) long and 62 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries136th Avenue
CrossesSecond Creek
Location50 Ft East of US 85
RouteCity Street 0
Coordinates39.94326, -104.84022
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating48.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span47 ft (14.2 m)
Deck width62 ft (19 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,016 (2021)
Projected traffic5,220 by 2041
Trucks4%
Lanes on structure2
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 Second Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is 136th Avenue over Second 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 December 2023.

How much traffic does 136th Avenue over Second Creek carry?

About 4,016 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is 136th Avenue over Second Creek?

The structure is 53 ft (16.2 m) long with a longest span of 47 ft (14.2 m) and a deck 62 ft wide.

Who owns 136th Avenue over Second Creek?

It is owned by the City or Municipal Highway Agency.