US Bridges

Cl Cnty RD 1 over Donkey Creek

Fair

Campbell County, Wyoming · 15 MI E of Gillette · Structure no. MJR

Built
2010
15 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
596
2024 count
Owner
County
County Highway Agency

About this bridge

Cl Cnty RD 1 over Donkey Creek is a concrete culvert carrying Cl Cnty RD 1 over Donkey Creek in Campbell County, Wyoming. It was built in 2010, so it is 15 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 5 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 596 vehicles a day, roughly 16% of them trucks, projected to reach 834 by 2043. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCl Cnty RD 1
CrossesDonkey Creek
Location15 MI E of Gillette
RouteCounty Highway 1
StateWyoming
Coordinates44.2856, -105.20591
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic596 (2024)
Projected traffic834 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cl Cnty RD 1 over Donkey Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Cl Cnty RD 1 over Donkey Creek 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 2024.

How much traffic does Cl Cnty RD 1 over Donkey Creek carry?

About 596 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is Cl Cnty RD 1 over Donkey Creek?

The structure is 40 ft (12.2 m) long with a longest span of 14 ft (4.3 m).

Who owns Cl Cnty RD 1 over Donkey Creek?

It is owned by the County Highway Agency.