US Bridges

SB Cnty RD 147 over Green River Supply Canal

GoodPosted for load

Sublette County, Wyoming · 10 Miles South of Daniel · Structure no. KIM

Built
1995
30 years old
Condition
Good
inspected July 2023
Type
Culvert
Steel
Length
23 ft
1 main span
Daily traffic
146
2024 count
Owner
County
County Highway Agency

About this bridge

SB Cnty RD 147 over Green River Supply Canal is a steel culvert carrying SB Cnty RD 147 over Green River Supply Canal in Sublette County, Wyoming. It was built in 1995, so it is 30 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 146 vehicles a day, roughly 39% of them trucks, projected to reach 204 by 2043. The structure is 23 ft (7.1 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSB Cnty RD 147
CrossesGreen River Supply Canal
Location10 Miles South of Daniel
RouteCounty Highway 147
StateWyoming
Coordinates42.74067, -110.03921
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length23 ft (7.1 m)
Longest span23 ft (7.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic146 (2024)
Projected traffic204 by 2043
Trucks39%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$36,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SB Cnty RD 147 over Green River Supply Canal built?

It was built in 1995, making it 30 years old in 2025.

What condition is SB Cnty RD 147 over Green River Supply Canal 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 2023.

How much traffic does SB Cnty RD 147 over Green River Supply Canal carry?

About 146 vehicles per day (2024 count), of which roughly 39% are trucks.

How long is SB Cnty RD 147 over Green River Supply Canal?

The structure is 23 ft (7.1 m) long with a longest span of 23 ft (7.1 m).

Who owns SB Cnty RD 147 over Green River Supply Canal?

It is owned by the County Highway Agency.