US Bridges

CR Cnty RD 112 over Donkey Creek

PoorPosted for load

Crook County, Wyoming · 7 Miles W. of Moorcroft · Structure no. DWL

Built
1980
45 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
60 ft
2 main spans
Daily traffic
24
2024 count
Owner
County
County Highway Agency

About this bridge

CR Cnty RD 112 over Donkey Creek is a steel continuous stringer/multi-beam or girder carrying CR Cnty RD 112 over Donkey Creek in Crook 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 24 vehicles a day, roughly 8% of them trucks, projected to reach 34 by 2043. The structure is 60 ft (18.3 m) long and 16 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCR Cnty RD 112
CrossesDonkey Creek
Location7 Miles W. of Moorcroft
RouteCounty Highway 112
StateWyoming
Coordinates44.28135, -105.0853
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.3 US tons
Inventory rating37.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span29 ft (8.8 m)
Deck width16 ft (5 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2024)
Projected traffic34 by 2043
Trucks8%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$357,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR Cnty RD 112 over Donkey Creek built?

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

What condition is CR Cnty RD 112 over Donkey Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does CR Cnty RD 112 over Donkey Creek carry?

About 24 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is CR Cnty RD 112 over Donkey Creek?

The structure is 60 ft (18.3 m) long with a longest span of 29 ft (8.8 m) and a deck 16 ft wide.

Who owns CR Cnty RD 112 over Donkey Creek?

It is owned by the County Highway Agency.