US Bridges

Wyo 156 over North Platte River

Fair

Goshen County, Wyoming · Torrington-Lingle Road · Structure no. EOY

Built
1985
40 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
356 ft
7 main spans
Daily traffic
165
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 156 over North Platte River is a steel continuous stringer/multi-beam or girder carrying Wyo 156 over North Platte River in Goshen County, Wyoming. It was built in 1985, so it is 40 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 5 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 165 vehicles a day, roughly 17% of them trucks, projected to reach 231 by 2043. The structure is 356 ft (108.5 m) long and 35 ft wide.

CarriesWyo 156
CrossesNorth Platte River
LocationTorrington-Lingle Road
RouteState Highway 156
StateWyoming
Coordinates42.10312, -104.35147
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length356 ft (108.5 m)
Longest span51 ft (15.4 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic165 (2024)
Projected traffic231 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 156 over North Platte River built?

It was built in 1985, making it 40 years old in 2025.

What condition is Wyo 156 over North Platte River 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 April 2024.

How much traffic does Wyo 156 over North Platte River carry?

About 165 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Wyo 156 over North Platte River?

The structure is 356 ft (108.5 m) long with a longest span of 51 ft (15.4 m) and a deck 35 ft wide.

Who owns Wyo 156 over North Platte River?

It is owned by the State Highway Agency.