US Bridges

County Highway over Nppd Penstock Pipe

Fair

Lincoln County, Nebraska · 4S North Platte · Structure no. C005605510

Built
1952
73 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
33 ft
1 main span
Daily traffic
50
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Nppd Penstock Pipe is a concrete slab carrying County Highway over Nppd Penstock Pipe in Lincoln County, Nebraska. It was built in 1952, so it is 73 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 50 vehicles a day, projected to reach 72 by 2033. The structure is 33 ft (10.1 m) long and 33 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesNppd Penstock Pipe
Location4S North Platte
RouteCounty Highway 55
CountyLincoln County
StateNebraska
Coordinates41.0783, -100.7583
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span32 ft (9.8 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2003)
Projected traffic72 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County Highway over Nppd Penstock Pipe built?

It was built in 1952, making it 73 years old in 2025.

What condition is County Highway over Nppd Penstock Pipe 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 County Highway over Nppd Penstock Pipe carry?

About 50 vehicles per day (2003 count).

How long is County Highway over Nppd Penstock Pipe?

The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.8 m) and a deck 33 ft wide.

Who owns County Highway over Nppd Penstock Pipe?

It is owned by the County Highway Agency.