US Bridges

US 191 over Boulder Creek

FairPosted for load

Sublette County, Wyoming · Farson - Pinedale · Structure no. BRN

Built
1956
69 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
172 ft
3 main spans
Daily traffic
3,487
2024 count
Owner
State
State Highway Agency

About this bridge

US 191 over Boulder Creek is a steel continuous stringer/multi-beam or girder carrying US 191 over Boulder Creek in Sublette County, Wyoming. It was built in 1956, so it is 69 years old, older 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. Its operating status is: posted for load restriction.

It carries about 3,487 vehicles a day, roughly 6% of them trucks, projected to reach 4,882 by 2043. The structure is 172 ft (52.4 m) long and 33 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesUS 191
CrossesBoulder Creek
LocationFarson - Pinedale
RouteU.S. Route 191
CountySublette County
StateWyoming
Coordinates42.75024, -109.72639
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.4 US tons
Inventory rating21.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length172 ft (52.4 m)
Longest span65 ft (19.8 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,487 (2024)
Projected traffic4,882 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 191 over Boulder Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is US 191 over Boulder 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 2024.

How much traffic does US 191 over Boulder Creek carry?

About 3,487 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is US 191 over Boulder Creek?

The structure is 172 ft (52.4 m) long with a longest span of 65 ft (19.8 m) and a deck 33 ft wide.

Who owns US 191 over Boulder Creek?

It is owned by the State Highway Agency.