US Bridges

SH Cnty RD 40 over Wild Horse Creek

FairPosted for load

Sheridan County, Wyoming · 1 Miles S.E. of Arvada · Structure no. EAV

Built
1920
105 years old, rebuilt 1940
Condition
Fair
inspected April 2024
Type
Truss - Thru
Steel
Length
72 ft
1 main span
Daily traffic
8
2024 count
Owner
County
County Highway Agency

About this bridge

SH Cnty RD 40 over Wild Horse Creek is a steel truss - thru carrying SH Cnty RD 40 over Wild Horse Creek in Sheridan County, Wyoming. It was built in 1920 and reconstructed in 1940, so it is 105 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 5 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 8 vehicles a day, projected to reach 11 by 2043. The structure is 72 ft (21.9 m) long and 16 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesSH Cnty RD 40
CrossesWild Horse Creek
Location1 Miles S.E. of Arvada
RouteCounty Highway 40
CountySheridan County
StateWyoming
Coordinates44.6503, -106.12197
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
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating6.8 US tons
Inventory rating4.7 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length72 ft (21.9 m)
Longest span70 ft (21.3 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8 (2024)
Projected traffic11 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$413,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH Cnty RD 40 over Wild Horse Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1940.

What condition is SH Cnty RD 40 over Wild Horse 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 40 over Wild Horse Creek carry?

About 8 vehicles per day (2024 count).

How long is SH Cnty RD 40 over Wild Horse Creek?

The structure is 72 ft (21.9 m) long with a longest span of 70 ft (21.3 m) and a deck 16 ft wide.

Who owns SH Cnty RD 40 over Wild Horse Creek?

It is owned by the County Highway Agency.