US Bridges

SB Cnty RD 123 over Pine Creek

Fair

Sublette County, Wyoming · 0.5 Miles S. of Pinedale · Structure no. FHH

Built
1988
37 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
100 ft
3 main spans
Daily traffic
869
2024 count
Owner
County
County Highway Agency

About this bridge

SB Cnty RD 123 over Pine Creek is a steel continuous stringer/multi-beam or girder carrying SB Cnty RD 123 over Pine Creek in Sublette County, Wyoming. It was built in 1988, so it is 37 years old, younger than the Wyoming average of 48.4 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 869 vehicles a day, roughly 8% of them trucks, projected to reach 1,217 by 2043. The structure is 100 ft (30.5 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSB Cnty RD 123
CrossesPine Creek
Location0.5 Miles S. of Pinedale
RouteCounty Highway 123
StateWyoming
Coordinates42.86039, -109.86116
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span38 ft (11.6 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic869 (2024)
Projected traffic1,217 by 2043
Trucks8%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SB Cnty RD 123 over Pine Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is SB Cnty RD 123 over Pine 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 July 2023.

How much traffic does SB Cnty RD 123 over Pine Creek carry?

About 869 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is SB Cnty RD 123 over Pine Creek?

The structure is 100 ft (30.5 m) long with a longest span of 38 ft (11.6 m) and a deck 29 ft wide.

Who owns SB Cnty RD 123 over Pine Creek?

It is owned by the County Highway Agency.