US Bridges

Wyo 34 over Lateral No 1

Fair

Platte County, Wyoming · Bosler Jct-Wheatland · Structure no. EVH

Built
1983
42 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
711
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 34 over Lateral No 1 is a steel stringer/multi-beam or girder carrying Wyo 34 over Lateral No 1 in Platte County, Wyoming. It was built in 1983, so it is 42 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 711 vehicles a day, roughly 14% of them trucks, projected to reach 995 by 2043. The structure is 45 ft (13.7 m) long and 39 ft wide. If it were closed, the detour would be 82 mi (132 km).

Location

Open in Google Maps
CarriesWyo 34
CrossesLateral No 1
LocationBosler Jct-Wheatland
RouteState Highway 34
CountyPlatte County
StateWyoming
Coordinates41.95917, -105.06276
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span42 ft (12.8 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic711 (2024)
Projected traffic995 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed82 mi (132 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 34 over Lateral No 1 built?

It was built in 1983, making it 42 years old in 2025.

What condition is Wyo 34 over Lateral No 1 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 2023.

How much traffic does Wyo 34 over Lateral No 1 carry?

About 711 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Wyo 34 over Lateral No 1?

The structure is 45 ft (13.7 m) long with a longest span of 42 ft (12.8 m) and a deck 39 ft wide.

Who owns Wyo 34 over Lateral No 1?

It is owned by the State Highway Agency.