US Bridges

SB Cnty RD 204 over Duck Creek

Good

Sublette County, Wyoming · 1 Mile West of Pinedale · Structure no. LWI

Built
1990
35 years old
Condition
Good
inspected July 2024
Type
Culvert
Steel
Length
22 ft
1 main span
Daily traffic
60
2024 count
Owner
County
County Highway Agency

About this bridge

SB Cnty RD 204 over Duck Creek is a steel culvert carrying SB Cnty RD 204 over Duck Creek in Sublette County, Wyoming. It was built in 1990, so it is 35 years old, younger than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 60 vehicles a day, roughly 25% of them trucks, projected to reach 84 by 2043. The structure is 22 ft (6.6 m) long and 26 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSB Cnty RD 204
CrossesDuck Creek
Location1 Mile West of Pinedale
RouteCounty Highway 204
StateWyoming
Coordinates42.86276, -109.89831
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.9 US tons
Inventory rating34.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length22 ft (6.6 m)
Longest span22 ft (6.6 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2024)
Projected traffic84 by 2043
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$39,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SB Cnty RD 204 over Duck Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is SB Cnty RD 204 over Duck Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does SB Cnty RD 204 over Duck Creek carry?

About 60 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is SB Cnty RD 204 over Duck Creek?

The structure is 22 ft (6.6 m) long with a longest span of 22 ft (6.6 m) and a deck 26 ft wide.

Who owns SB Cnty RD 204 over Duck Creek?

It is owned by the County Highway Agency.