US Bridges

Wyo 59 over Elk Creek

Good

Campbell County, Wyoming · Gillette - Mont Line · Structure no. MZK

Built
2019
6 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
150 ft
3 main spans
Daily traffic
544
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 59 over Elk Creek is a steel continuous stringer/multi-beam or girder carrying Wyo 59 over Elk Creek in Campbell County, Wyoming. It was built in 2019, so it is 6 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 544 vehicles a day, roughly 34% of them trucks, projected to reach 762 by 2043. The structure is 150 ft (45.7 m) long and 33 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWyo 59
CrossesElk Creek
LocationGillette - Mont Line
RouteState Highway 59
StateWyoming
Coordinates44.79654, -105.39357
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.1 US tons
Inventory rating55.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length150 ft (45.7 m)
Longest span58 ft (17.7 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic544 (2024)
Projected traffic762 by 2043
Trucks34%
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 Elk Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is Wyo 59 over Elk 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 Elk Creek carry?

About 544 vehicles per day (2024 count), of which roughly 34% are trucks.

How long is Wyo 59 over Elk Creek?

The structure is 150 ft (45.7 m) long with a longest span of 58 ft (17.7 m) and a deck 33 ft wide.

Who owns Wyo 59 over Elk Creek?

It is owned by the State Highway Agency.