US Bridges

Wyo 271 over Lance Creek

Good

Niobrara County, Wyoming · .17 MI West of Lance Cree · Structure no. LMG

Built
2003
22 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
215 ft
3 main spans
Daily traffic
39
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 271 over Lance Creek is a steel continuous stringer/multi-beam or girder carrying Wyo 271 over Lance Creek in Niobrara County, Wyoming. It was built in 2003, so it is 22 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 39 vehicles a day, roughly 21% of them trucks, projected to reach 55 by 2043. The structure is 215 ft (65.5 m) long and 35 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWyo 271
CrossesLance Creek
Location.17 MI West of Lance Cree
RouteState Highway 271
StateWyoming
Coordinates43.03549, -104.65
Functional classRural Minor 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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating52 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length215 ft (65.5 m)
Longest span84 ft (25.6 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39 (2024)
Projected traffic55 by 2043
Trucks21%
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 271 over Lance Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Wyo 271 over Lance 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 June 2024.

How much traffic does Wyo 271 over Lance Creek carry?

About 39 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is Wyo 271 over Lance Creek?

The structure is 215 ft (65.5 m) long with a longest span of 84 ft (25.6 m) and a deck 35 ft wide.

Who owns Wyo 271 over Lance Creek?

It is owned by the State Highway Agency.