US Bridges

N121 over Beaver Creek

Good

Cedar County, Nebraska · 13NE Crofton · Structure no. S121 07962

Built
2019
6 years old
Condition
Good
inspected September 2022
Type
Slab
Concrete Continuous
Length
95 ft
3 main spans
Daily traffic
1,535
2018 count
Owner
State
State Highway Agency

About this bridge

N121 over Beaver Creek is a concrete continuous slab carrying N121 over Beaver Creek in Cedar County, Nebraska. It was built in 2019, so it is 6 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,535 vehicles a day, roughly 3% of them trucks, projected to reach 2,303 by 2038. The structure is 95 ft (29 m) long and 43 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesN121
CrossesBeaver Creek
Location13NE Crofton
RouteState Highway 121
CountyCedar County
StateNebraska
Coordinates42.8447, -97.4062
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating54 US tons
Inventory rating41.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length95 ft (29 m)
Longest span38 ft (11.6 m)
Deck width43 ft (13 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,535 (2018)
Projected traffic2,303 by 2038
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N121 over Beaver Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is N121 over Beaver 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 September 2022.

How much traffic does N121 over Beaver Creek carry?

About 1,535 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is N121 over Beaver Creek?

The structure is 95 ft (29 m) long with a longest span of 38 ft (11.6 m) and a deck 43 ft wide.

Who owns N121 over Beaver Creek?

It is owned by the State Highway Agency.