US Bridges

Bh Cnty RD R16D over Greybull River

Fair

Big Horn County, Wyoming · 1.5 Miles South of Otto · Structure no. EJW

Built
1978
47 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
153 ft
2 main spans
Daily traffic
166
2024 count
Owner
County
County Highway Agency

About this bridge

Bh Cnty RD R16D over Greybull River is a steel stringer/multi-beam or girder carrying Bh Cnty RD R16D over Greybull River in Big Horn County, Wyoming. It was built in 1978, so it is 47 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 166 vehicles a day, roughly 8% of them trucks, projected to reach 232 by 2043. The structure is 153 ft (46.6 m) long and 26 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesBh Cnty RD R16D
CrossesGreybull River
Location1.5 Miles South of Otto
RouteCounty Highway 0R16D
StateWyoming
Coordinates44.38371, -108.2724
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating29 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length153 ft (46.6 m)
Longest span75 ft (22.9 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic166 (2024)
Projected traffic232 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$75,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bh Cnty RD R16D over Greybull River built?

It was built in 1978, making it 47 years old in 2025.

What condition is Bh Cnty RD R16D 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 R16D over Greybull River carry?

About 166 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Bh Cnty RD R16D over Greybull River?

The structure is 153 ft (46.6 m) long with a longest span of 75 ft (22.9 m) and a deck 26 ft wide.

Who owns Bh Cnty RD R16D over Greybull River?

It is owned by the County Highway Agency.