US Bridges

Wyo 156 over N Platte River Overflow

Fair

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

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

About this bridge

Wyo 156 over N Platte River Overflow is a steel continuous stringer/multi-beam or girder carrying Wyo 156 over N Platte River Overflow 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 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 165 vehicles a day, roughly 17% of them trucks, projected to reach 231 by 2043. The structure is 131 ft (39.9 m) long and 35 ft wide.

CarriesWyo 156
CrossesN Platte River Overflow
LocationTorrington-Lingle Road
RouteState Highway 156
StateWyoming
Coordinates42.10442, -104.35087
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating51 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length131 ft (39.9 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 N Platte River Overflow built?

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

What condition is Wyo 156 over N Platte River Overflow 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 N Platte River Overflow carry?

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

How long is Wyo 156 over N Platte River Overflow?

The structure is 131 ft (39.9 m) long with a longest span of 51 ft (15.4 m) and a deck 35 ft wide.

Who owns Wyo 156 over N Platte River Overflow?

It is owned by the State Highway Agency.