US Bridges

County Road B over Dry Creek

Poor

Delta County, Colorado · .7MI W of Ash Mesa Road · Structure no. DELBR-16.3-01A

Built
1986
39 years old
Condition
Poor
inspected February 2025
Type
Culvert
Steel
Length
20 ft
1 main span
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

County Road B over Dry Creek is a steel culvert carrying County Road B over Dry Creek in Delta County, Colorado. It was built in 1986, so it is 39 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 11 vehicles a day, roughly 2% of them trucks, projected to reach 12 by 2042. The structure is 20 ft (6.2 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty Road B
CrossesDry Creek
Location.7MI W of Ash Mesa Road
RouteCounty Highway 0
Coordinates38.67772, -108.05419
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating100.8 US tons
Inventory rating60.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length20 ft (6.2 m)
Longest span20 ft (6.2 m)
Deck width44 ft (13.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic12 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 B over Dry Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is County Road B over Dry Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does County Road B over Dry Creek carry?

About 11 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road B over Dry Creek?

The structure is 20 ft (6.2 m) long with a longest span of 20 ft (6.2 m) and a deck 44 ft wide.

Who owns County Road B over Dry Creek?

It is owned by the County Highway Agency.