US Bridges

Wyo 34 over Sand Creek

Good

Platte County, Wyoming · Bosler JCT - Wheatland · Structure no. EVI

Built
1983
42 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
95 ft
3 main spans
Daily traffic
711
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 34 over Sand Creek is a steel continuous stringer/multi-beam or girder carrying Wyo 34 over Sand Creek 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 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 711 vehicles a day, roughly 14% of them trucks, projected to reach 995 by 2043. The structure is 95 ft (29 m) long and 39 ft wide. If it were closed, the detour would be 82 mi (132 km).

CarriesWyo 34
CrossesSand Creek
LocationBosler JCT - Wheatland
RouteState Highway 34
StateWyoming
Coordinates41.94886, -105.08798
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
Deck7 GoodSome minor problems.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.8 US tons
Inventory rating41.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length95 ft (29 m)
Longest span36 ft (11 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 Sand Creek built?

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

What condition is Wyo 34 over Sand 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 2023.

How much traffic does Wyo 34 over Sand Creek carry?

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

How long is Wyo 34 over Sand Creek?

The structure is 95 ft (29 m) long with a longest span of 36 ft (11 m) and a deck 39 ft wide.

Who owns Wyo 34 over Sand Creek?

It is owned by the State Highway Agency.