US Bridges

22nd Avenue over Local Drainage

Fair

Adams County, Colorado · 0.1 MI West of Tower RD · Structure no. AUR03.7-M.7

Built
1981
44 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
21 ft
2 main spans
Daily traffic
1,442
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

22nd Avenue over Local Drainage is a steel culvert carrying 22nd Avenue over Local Drainage in Adams County, Colorado. It was built in 1981, so it is 44 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 1,442 vehicles a day, roughly 8% of them trucks, projected to reach 1,875 by 2041. The structure is 21 ft (6.4 m) long and 71 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries22nd Avenue
CrossesLocal Drainage
Location0.1 MI West of Tower RD
RouteCity Street 0
Coordinates39.74917, -104.77476
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length21 ft (6.4 m)
Longest span9 ft (2.7 m)
Deck width71 ft (21.5 m)
Roadway width50 ft (15.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,442 (2021)
Projected traffic1,875 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 22nd Avenue over Local Drainage built?

It was built in 1981, making it 44 years old in 2025.

What condition is 22nd Avenue over Local Drainage 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 October 2023.

How much traffic does 22nd Avenue over Local Drainage carry?

About 1,442 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is 22nd Avenue over Local Drainage?

The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.7 m) and a deck 71 ft wide.

Who owns 22nd Avenue over Local Drainage?

It is owned by the City or Municipal Highway Agency.