US Bridges

Bh Cnty RD R8C over Greybull River

Fair

Big Horn County, Wyoming · 3.5 Mi. S. of Burlington · Structure no. EJX

Built
1980
45 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
152 ft
2 main spans
Daily traffic
136
2024 count
Owner
County
County Highway Agency

About this bridge

Bh Cnty RD R8C over Greybull River is a steel stringer/multi-beam or girder carrying Bh Cnty RD R8C over Greybull River in Big Horn County, Wyoming. It was built in 1980, so it is 45 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 136 vehicles a day, roughly 10% of them trucks, projected to reach 190 by 2043. The structure is 152 ft (46.3 m) long and 26 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesBh Cnty RD R8C
CrossesGreybull River
Location3.5 Mi. S. of Burlington
RouteCounty Highway 0R8C
CountyBig Horn County
StateWyoming
Coordinates44.39907, -108.43208
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 rating69 US tons
Inventory rating53 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length152 ft (46.3 m)
Longest span74 ft (22.6 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic136 (2024)
Projected traffic190 by 2043
Trucks10%
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$66,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bh Cnty RD R8C over Greybull River built?

It was built in 1980, making it 45 years old in 2025.

What condition is Bh Cnty RD R8C 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 January 2024.

How much traffic does Bh Cnty RD R8C over Greybull River carry?

About 136 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Bh Cnty RD R8C over Greybull River?

The structure is 152 ft (46.3 m) long with a longest span of 74 ft (22.6 m) and a deck 26 ft wide.

Who owns Bh Cnty RD R8C over Greybull River?

It is owned by the County Highway Agency.