US Bridges

Wyo 59 over East Fork Hay Creek

Fair

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

Built
1977
48 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
36 ft
3 main spans
Daily traffic
4,682
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 59 over East Fork Hay Creek is a concrete continuous culvert carrying Wyo 59 over East Fork Hay Creek in Campbell County, Wyoming. It was built in 1977, so it is 48 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 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 4,682 vehicles a day, roughly 19% of them trucks, projected to reach 6,555 by 2043. The structure is 36 ft (11 m) long and 63 ft wide. If it were closed, the detour would be 36 mi (58 km).

CarriesWyo 59
CrossesEast Fork Hay Creek
LocationReno JCT - Gillette
RouteState Highway 59
StateWyoming
Coordinates43.79452, -105.47347
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
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.4 US tons
Inventory rating38.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length36 ft (11 m)
Longest span10 ft (3 m)
Deck width63 ft (19.3 m)
Roadway width63 ft (19.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,682 (2024)
Projected traffic6,555 by 2043
Trucks19%
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
NavigationNo navigation control on waterway

Frequently asked questions

When was Wyo 59 over East Fork Hay Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Wyo 59 over East Fork Hay 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 East Fork Hay Creek carry?

About 4,682 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is Wyo 59 over East Fork Hay Creek?

The structure is 36 ft (11 m) long with a longest span of 10 ft (3 m) and a deck 63 ft wide.

Who owns Wyo 59 over East Fork Hay Creek?

It is owned by the State Highway Agency.