US Bridges

N1 over Beaver Creek

Fair

Cass County, Nebraska · 2N Elmwood · Structure no. S001 00479

Built
1960
65 years old, rebuilt 2009
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
62 ft
3 main spans
Daily traffic
1,100
2018 count
Owner
State
State Highway Agency

About this bridge

N1 over Beaver Creek is a concrete continuous slab carrying N1 over Beaver Creek in Cass County, Nebraska. It was built in 1960 and reconstructed in 2009, so it is 65 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 1,100 vehicles a day, roughly 10% of them trucks, projected to reach 1,595 by 2038. The structure is 62 ft (18.9 m) long and 33 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN1
CrossesBeaver Creek
Location2N Elmwood
RouteState Highway 1
Coordinates40.882, -96.294
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating25.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span25 ft (7.6 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2018)
Projected traffic1,595 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 N1 over Beaver Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2009.

What condition is N1 over Beaver 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 June 2024.

How much traffic does N1 over Beaver Creek carry?

About 1,100 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is N1 over Beaver Creek?

The structure is 62 ft (18.9 m) long with a longest span of 25 ft (7.6 m) and a deck 33 ft wide.

Who owns N1 over Beaver Creek?

It is owned by the State Highway Agency.