US Bridges

SH Cnty RD 131 over Prairie Dog Creek

Fair

Sheridan County, Wyoming · 10 MI SE of Sheridan · Structure no. FQY

Built
1990
35 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
160
2024 count
Owner
County
County Highway Agency

About this bridge

SH Cnty RD 131 over Prairie Dog Creek is a steel stringer/multi-beam or girder carrying SH Cnty RD 131 over Prairie Dog Creek in Sheridan 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 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 160 vehicles a day, roughly 8% of them trucks, projected to reach 224 by 2043. The structure is 42 ft (12.8 m) long and 30 ft wide.

CarriesSH Cnty RD 131
CrossesPrairie Dog Creek
Location10 MI SE of Sheridan
RouteCounty Highway 131
StateWyoming
Coordinates44.70122, -106.85375
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating38 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2024)
Projected traffic224 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$13,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH Cnty RD 131 over Prairie Dog Creek built?

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

What condition is SH Cnty RD 131 over Prairie Dog 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 April 2023.

How much traffic does SH Cnty RD 131 over Prairie Dog Creek carry?

About 160 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is SH Cnty RD 131 over Prairie Dog Creek?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 30 ft wide.

Who owns SH Cnty RD 131 over Prairie Dog Creek?

It is owned by the County Highway Agency.