US Bridges

Bh Cnty RD 5 over Shoshone River

Fair

Big Horn County, Wyoming · Byron · Structure no. EKC

Built
1977
48 years old, rebuilt 2011
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
153 ft
2 main spans
Daily traffic
148
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Bh Cnty RD 5 over Shoshone River is a steel stringer/multi-beam or girder carrying Bh Cnty RD 5 over Shoshone River in Big Horn County, Wyoming. It was built in 1977 and reconstructed in 2011, so it is 48 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 148 vehicles a day, roughly 14% of them trucks, projected to reach 207 by 2043. The structure is 153 ft (46.6 m) long and 28 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesBh Cnty RD 5
CrossesShoshone River
LocationByron
RouteCity Street 401
CountyBig Horn County
StateWyoming
Coordinates44.79223, -108.50472
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length153 ft (46.6 m)
Longest span75 ft (22.9 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic148 (2024)
Projected traffic207 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bh Cnty RD 5 over Shoshone River built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2011.

What condition is Bh Cnty RD 5 over Shoshone River 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 January 2024.

How much traffic does Bh Cnty RD 5 over Shoshone River carry?

About 148 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Bh Cnty RD 5 over Shoshone River?

The structure is 153 ft (46.6 m) long with a longest span of 75 ft (22.9 m) and a deck 28 ft wide.

Who owns Bh Cnty RD 5 over Shoshone River?

It is owned by the Town or Township Highway Agency.