US Bridges

W Pershing Street over Niobrara River

Fair

Niobrara County, Wyoming · Lusk Streets · Structure no. FVC

Built
1991
34 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
319
2024 count
Owner
State
Other State Agency

About this bridge

W Pershing Street over Niobrara River is a concrete culvert carrying W Pershing Street over Niobrara River in Niobrara County, Wyoming. It was built in 1991, so it is 34 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 319 vehicles a day, roughly 9% of them trucks, projected to reach 447 by 2043. The structure is 33 ft (10.2 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesW Pershing Street
CrossesNiobrara River
LocationLusk Streets
RouteCounty Highway 42
StateWyoming
Coordinates42.76747, -104.46342
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10.2 m)
Longest span10 ft (3 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic319 (2024)
Projected traffic447 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$33,000
NavigationNo navigation control on waterway

Frequently asked questions

When was W Pershing Street over Niobrara River built?

It was built in 1991, making it 34 years old in 2025.

What condition is W Pershing Street over Niobrara 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 November 2024.

How much traffic does W Pershing Street over Niobrara River carry?

About 319 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is W Pershing Street over Niobrara River?

The structure is 33 ft (10.2 m) long with a longest span of 10 ft (3 m) and a deck 27 ft wide.

Who owns W Pershing Street over Niobrara River?

It is owned by the Other State Agency.