US Bridges

W 4-J Road over Donkey Creek

Good

Campbell County, Wyoming · Four J Road Gillette · Structure no. EOF

Built
1983
42 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
1 main span
Daily traffic
3,281
2024 count
Owner
County
County Highway Agency

About this bridge

W 4-J Road over Donkey Creek is a steel stringer/multi-beam or girder carrying W 4-J Road over Donkey Creek in Campbell County, Wyoming. It was built in 1983, so it is 42 years old, younger than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,281 vehicles a day, roughly 4% of them trucks, projected to reach 4,593 by 2043. The structure is 55 ft (16.8 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesW 4-J Road
CrossesDonkey Creek
LocationFour J Road Gillette
RouteCounty Highway 50
StateWyoming
Coordinates44.25788, -105.53771
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span53 ft (16.2 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,281 (2024)
Projected traffic4,593 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was W 4-J Road over Donkey Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is W 4-J Road over Donkey Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does W 4-J Road over Donkey Creek carry?

About 3,281 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is W 4-J Road over Donkey Creek?

The structure is 55 ft (16.8 m) long with a longest span of 53 ft (16.2 m) and a deck 43 ft wide.

Who owns W 4-J Road over Donkey Creek?

It is owned by the County Highway Agency.