US Bridges

SH Cnty RD 81 over Big Goose Creek

Fair

Sheridan County, Wyoming · 9 MI S.W. of Sheridan · Structure no. FPJ

Built
1960
65 years old, rebuilt 1990
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
100 ft
1 main span
Daily traffic
116
2024 count
Owner
County
County Highway Agency

About this bridge

SH Cnty RD 81 over Big Goose Creek is a steel stringer/multi-beam or girder carrying SH Cnty RD 81 over Big Goose Creek in Sheridan County, Wyoming. It was built in 1960 and reconstructed in 1990, so it is 65 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.

It carries about 116 vehicles a day, roughly 13% of them trucks, projected to reach 162 by 2043. The structure is 100 ft (30.5 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH Cnty RD 81
CrossesBig Goose Creek
Location9 MI S.W. of Sheridan
RouteCounty Highway 81
StateWyoming
Coordinates44.75102, -107.10446
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 rating49.1 US tons
Inventory rating32 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span92 ft (28 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic116 (2024)
Projected traffic162 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$27,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH Cnty RD 81 over Big Goose Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1990.

What condition is SH Cnty RD 81 over Big Goose 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 2024.

How much traffic does SH Cnty RD 81 over Big Goose Creek carry?

About 116 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is SH Cnty RD 81 over Big Goose Creek?

The structure is 100 ft (30.5 m) long with a longest span of 92 ft (28 m) and a deck 31 ft wide.

Who owns SH Cnty RD 81 over Big Goose Creek?

It is owned by the County Highway Agency.