US Bridges

Washington Street over Local Drainage

Fair

Adams County, Colorado · 0.5 MI N of 136th Ave · Structure no. THN-WAS140-LD

Built
2010
15 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
37 ft
2 main spans
Daily traffic
12,021
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Washington Street over Local Drainage is a concrete culvert carrying Washington Street over Local Drainage in Adams County, Colorado. It was built in 2010, so it is 15 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 12,021 vehicles a day, projected to reach 15,627 by 2041. The structure is 37 ft (11.2 m) long and 122 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWashington Street
CrossesLocal Drainage
Location0.5 MI N of 136th Ave
RouteCity Street 0
Coordinates39.95029, -104.97837
Functional classUrban Minor Arterial

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.4 US tons
Inventory rating78.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length37 ft (11.2 m)
Longest span18 ft (5.5 m)
Deck width122 ft (37.2 m)
Roadway width73 ft (22.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,021 (2021)
Projected traffic15,627 by 2041
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Washington Street over Local Drainage built?

It was built in 2010, making it 15 years old in 2025.

What condition is Washington Street 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 January 2024.

How much traffic does Washington Street over Local Drainage carry?

About 12,021 vehicles per day (2021 count).

How long is Washington Street over Local Drainage?

The structure is 37 ft (11.2 m) long with a longest span of 18 ft (5.5 m) and a deck 122 ft wide.

Who owns Washington Street over Local Drainage?

It is owned by the City or Municipal Highway Agency.