US Bridges

Wyo 59 over Corral Creek

Good

Campbell County, Wyoming · Gillette - Montana Sta · Structure no. KNY

Built
2005
20 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
85 ft
3 main spans
Daily traffic
1,336
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 59 over Corral Creek is a steel continuous stringer/multi-beam or girder carrying Wyo 59 over Corral Creek in Campbell County, Wyoming. It was built in 2005, so it is 20 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 1,336 vehicles a day, roughly 22% of them trucks, projected to reach 1,870 by 2043. The structure is 85 ft (25.9 m) long and 39 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWyo 59
CrossesCorral Creek
LocationGillette - Montana Sta
RouteState Highway 59
StateWyoming
Coordinates44.48607, -105.47042
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 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 evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating50 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length85 ft (25.9 m)
Longest span32 ft (9.9 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,336 (2024)
Projected traffic1,870 by 2043
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Wyo 59 over Corral Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Wyo 59 over Corral 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 July 2024.

How much traffic does Wyo 59 over Corral Creek carry?

About 1,336 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is Wyo 59 over Corral Creek?

The structure is 85 ft (25.9 m) long with a longest span of 32 ft (9.9 m) and a deck 39 ft wide.

Who owns Wyo 59 over Corral Creek?

It is owned by the State Highway Agency.