US Bridges

Wyo 170 over Owl Creek

Good

Hot Springs County, Wyoming · 19 Miles SW of Therm · Structure no. MSV

Built
2014
11 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
140 ft
3 main spans
Daily traffic
103
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 170 over Owl Creek is a steel continuous stringer/multi-beam or girder carrying Wyo 170 over Owl Creek in Hot Springs County, Wyoming. It was built in 2014, so it is 11 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 103 vehicles a day, roughly 13% of them trucks, projected to reach 144 by 2043. The structure is 140 ft (42.7 m) long and 35 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWyo 170
CrossesOwl Creek
Location19 Miles SW of Therm
RouteState Highway 170
StateWyoming
Coordinates43.72374, -108.53504
Functional classRural Major Collector

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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating45.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length140 ft (42.7 m)
Longest span56 ft (17.1 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic103 (2024)
Projected traffic144 by 2043
Trucks13%
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 170 over Owl Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is Wyo 170 over Owl 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 April 2024.

How much traffic does Wyo 170 over Owl Creek carry?

About 103 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Wyo 170 over Owl Creek?

The structure is 140 ft (42.7 m) long with a longest span of 56 ft (17.1 m) and a deck 35 ft wide.

Who owns Wyo 170 over Owl Creek?

It is owned by the State Highway Agency.