US Bridges

Washington Street over Niver Creek

Fair

Adams County, Colorado · Just S of Coronado Pkwy · Structure no. THN-WAS083-NIV

Built
1960
65 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
24,177
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Washington Street over Niver Creek is a concrete culvert carrying Washington Street over Niver Creek in Adams County, Colorado. It was built in 1960, so it is 65 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 24,177 vehicles a day, roughly 6% of them trucks, projected to reach 31,430 by 2041. The structure is 31 ft (9.6 m) long and 96 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWashington Street
CrossesNiver Creek
LocationJust S of Coronado Pkwy
RouteCity Street 0
Coordinates39.8473, -104.97775
Functional classUrban Other Principal 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 protection7 GoodSome minor problems.
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length31 ft (9.6 m)
Longest span12 ft (3.7 m)
Deck width96 ft (29.3 m)
Roadway width87 ft (26.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,177 (2021)
Projected traffic31,430 by 2041
Trucks6%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Niver Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Washington Street over Niver 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 January 2024.

How much traffic does Washington Street over Niver Creek carry?

About 24,177 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Washington Street over Niver Creek?

The structure is 31 ft (9.6 m) long with a longest span of 12 ft (3.7 m) and a deck 96 ft wide.

Who owns Washington Street over Niver Creek?

It is owned by the City or Municipal Highway Agency.