US Bridges

N22 over Plum Creek

Fair

Nance County, Nebraska · 9SW Genoa · Structure no. S022 06312

Built
1957
68 years old, rebuilt 2014
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
148 ft
3 main spans
Daily traffic
1,175
2018 count
Owner
State
State Highway Agency

About this bridge

N22 over Plum Creek is a concrete continuous stringer/multi-beam or girder carrying N22 over Plum Creek in Nance County, Nebraska. It was built in 1957 and reconstructed in 2014, so it is 68 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 1,175 vehicles a day, roughly 11% of them trucks, projected to reach 1,528 by 2038. The structure is 148 ft (45.1 m) long and 32 ft wide. If it were closed, the detour would be 68.4 mi (110 km).

Location

Open in Google Maps
CarriesN22
CrossesPlum Creek
Location9SW Genoa
RouteState Highway 22
CountyNance County
StateNebraska
Coordinates41.3939, -97.8927
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
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating41.9 US tons
Inventory rating26.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length148 ft (45.1 m)
Longest span65 ft (19.8 m)
Deck width32 ft (9.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,175 (2018)
Projected traffic1,528 by 2038
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed68.4 mi (110 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 N22 over Plum Creek built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2014.

What condition is N22 over Plum Creek 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 December 2024.

How much traffic does N22 over Plum Creek carry?

About 1,175 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is N22 over Plum Creek?

The structure is 148 ft (45.1 m) long with a longest span of 65 ft (19.8 m) and a deck 32 ft wide.

Who owns N22 over Plum Creek?

It is owned by the State Highway Agency.