US Bridges

160th Avenue over Comanche Creek

Fair

Adams County, Colorado · 1.3 MI E of Headlight RD · Structure no. ADA160-41.3N151

Built
1955
70 years old, rebuilt 1997
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
42
2021 count
Owner
County
County Highway Agency

About this bridge

160th Avenue over Comanche Creek is a steel stringer/multi-beam or girder carrying 160th Avenue over Comanche Creek in Adams County, Colorado. It was built in 1955 and reconstructed in 1997, so it is 70 years old, older 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 42 vehicles a day, roughly 5% of them trucks, projected to reach 55 by 2041. The structure is 31 ft (9.3 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Carries160th Avenue
CrossesComanche Creek
Location1.3 MI E of Headlight RD
RouteCounty Highway 0
Coordinates39.98529, -104.27751
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.3 US tons
Inventory rating24.7 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length31 ft (9.3 m)
Longest span29 ft (8.7 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42 (2021)
Projected traffic55 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 160th Avenue over Comanche Creek built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1997.

What condition is 160th Avenue over Comanche 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 November 2023.

How much traffic does 160th Avenue over Comanche Creek carry?

About 42 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is 160th Avenue over Comanche Creek?

The structure is 31 ft (9.3 m) long with a longest span of 29 ft (8.7 m) and a deck 31 ft wide.

Who owns 160th Avenue over Comanche Creek?

It is owned by the County Highway Agency.