US Bridges

County Road Dd over Trib. of Surveyor Creek

FairPosted for load

Washington County, Colorado · .70 MI North of CR 41 · Structure no. WTNDD-41.70

Built
2008
17 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
25 ft
4 main spans
Daily traffic
96
2023 count
Owner
County
County Highway Agency

About this bridge

County Road Dd over Trib. of Surveyor Creek is a steel culvert carrying County Road Dd over Trib. of Surveyor Creek in Washington County, Colorado. It was built in 2008, so it is 17 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. Its operating status is: posted for load restriction.

It carries about 96 vehicles a day, roughly 38% of them trucks, projected to reach 118 by 2042. The structure is 25 ft (7.6 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road Dd
CrossesTrib. of Surveyor Creek
Location.70 MI North of CR 41
RouteCounty Highway 0
CountyWashington County
StateColorado
Coordinates40.17011, -103.19097
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15.4 US tons
Inventory rating9.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span5 ft (1.5 m)
Deck width47 ft (14.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2023)
Projected traffic118 by 2042
Trucks38%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 County Road Dd over Trib. of Surveyor Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is County Road Dd over Trib. of Surveyor 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 October 2023.

How much traffic does County Road Dd over Trib. of Surveyor Creek carry?

About 96 vehicles per day (2023 count), of which roughly 38% are trucks.

How long is County Road Dd over Trib. of Surveyor Creek?

The structure is 25 ft (7.6 m) long with a longest span of 5 ft (1.5 m) and a deck 47 ft wide.

Who owns County Road Dd over Trib. of Surveyor Creek?

It is owned by the County Highway Agency.