US Bridges

Bh Cnty RD R5D over Greybull River

Fair

Big Horn County, Wyoming · Lanes 40 41 · Structure no. IWW

Built
1994
31 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
185 ft
3 main spans
Daily traffic
75
2024 count
Owner
County
County Highway Agency

About this bridge

Bh Cnty RD R5D over Greybull River is a steel continuous stringer/multi-beam or girder carrying Bh Cnty RD R5D over Greybull River in Big Horn County, Wyoming. It was built in 1994, so it is 31 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 75 vehicles a day, roughly 7% of them trucks, projected to reach 105 by 2043. The structure is 185 ft (56.4 m) long and 29 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesBh Cnty RD R5D
CrossesGreybull River
LocationLanes 40 41
RouteCounty Highway 0R5D
StateWyoming
Coordinates44.42046, -108.49463
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
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 rating66 US tons
Inventory rating40 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length185 ft (56.4 m)
Longest span73 ft (22.3 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic105 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bh Cnty RD R5D over Greybull River built?

It was built in 1994, making it 31 years old in 2025.

What condition is Bh Cnty RD R5D over Greybull 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 February 2025.

How much traffic does Bh Cnty RD R5D over Greybull River carry?

About 75 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Bh Cnty RD R5D over Greybull River?

The structure is 185 ft (56.4 m) long with a longest span of 73 ft (22.3 m) and a deck 29 ft wide.

Who owns Bh Cnty RD R5D over Greybull River?

It is owned by the County Highway Agency.