US Bridges

Dover Street over Trib to Big Dry Creek

Fair

Jefferson County, Colorado · 104th Avenue E Wadsworth · Structure no. WST18-12-H

Built
1978
47 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
995
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Dover Street over Trib to Big Dry Creek is a concrete culvert carrying Dover Street over Trib to Big Dry Creek in Jefferson County, Colorado. It was built in 1978, so it is 47 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 995 vehicles a day, roughly 2% of them trucks, projected to reach 1,144 by 2041. The structure is 20 ft (6.2 m) long and 79 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDover Street
CrossesTrib to Big Dry Creek
Location104th Avenue E Wadsworth
RouteCity Street 0
Coordinates39.88514, -105.09231
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 inspectionFebruary 2025
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 alignment6: Equal to present minimum criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length20 ft (6.2 m)
Longest span10 ft (2.9 m)
Deck width79 ft (24 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic995 (2021)
Projected traffic1,144 by 2041
Trucks2%
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 Dover Street over Trib to Big Dry Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Dover Street over Trib to Big Dry 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 February 2025.

How much traffic does Dover Street over Trib to Big Dry Creek carry?

About 995 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Dover Street over Trib to Big Dry Creek?

The structure is 20 ft (6.2 m) long with a longest span of 10 ft (2.9 m) and a deck 79 ft wide.

Who owns Dover Street over Trib to Big Dry Creek?

It is owned by the City or Municipal Highway Agency.