US Bridges

Wyo 59 over Bone Pile Creek

Fair

Campbell County, Wyoming · Reno JCT - Gillette · Structure no. CGQ

Built
1972
53 years old, rebuilt 1984
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
5,689
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 59 over Bone Pile Creek is a concrete continuous culvert carrying Wyo 59 over Bone Pile Creek in Campbell County, Wyoming. It was built in 1972 and reconstructed in 1984, so it is 53 years old, older 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 5,689 vehicles a day, roughly 17% of them trucks, projected to reach 7,965 by 2043. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 36 mi (58 km).

CarriesWyo 59
CrossesBone Pile Creek
LocationReno JCT - Gillette
RouteState Highway 59
StateWyoming
Coordinates44.09396, -105.46198
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.5 US tons
Inventory rating42.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,689 (2024)
Projected traffic7,965 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Wyo 59 over Bone Pile Creek built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 1984.

What condition is Wyo 59 over Bone Pile 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 July 2024.

How much traffic does Wyo 59 over Bone Pile Creek carry?

About 5,689 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Wyo 59 over Bone Pile Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns Wyo 59 over Bone Pile Creek?

It is owned by the State Highway Agency.