US Bridges

CR Cnty RD 32 over Little Missouri River

Fair

Crook County, Wyoming · 19 MI N.W. of Hulett · Structure no. FRG

Built
1991
34 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Wood or Timber
Length
68 ft
1 main span
Daily traffic
24
2024 count
Owner
County
County Highway Agency

About this bridge

CR Cnty RD 32 over Little Missouri River is a wood or timber tee beam carrying CR Cnty RD 32 over Little Missouri River in Crook County, Wyoming. It was built in 1991, so it is 34 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 24 vehicles a day, roughly 4% of them trucks, projected to reach 34 by 2043. The structure is 68 ft (20.7 m) long and 24 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesCR Cnty RD 32
CrossesLittle Missouri River
Location19 MI N.W. of Hulett
RouteCounty Highway 32
StateWyoming
Coordinates44.86613, -104.75837
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 alignment7: Better than present minimum criteria
Operating rating72 US tons
Inventory rating50.4 US tons

Structure

Structure typeTee Beam
MaterialWood or Timber
DeckWood or timber
Main spans1 (+1 approach)
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span49 ft (14.9 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2024)
Projected traffic34 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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$45,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR Cnty RD 32 over Little Missouri River built?

It was built in 1991, making it 34 years old in 2025.

What condition is CR Cnty RD 32 over Little Missouri 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 March 2024.

How much traffic does CR Cnty RD 32 over Little Missouri River carry?

About 24 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is CR Cnty RD 32 over Little Missouri River?

The structure is 68 ft (20.7 m) long with a longest span of 49 ft (14.9 m) and a deck 24 ft wide.

Who owns CR Cnty RD 32 over Little Missouri River?

It is owned by the County Highway Agency.