US Bridges

N121 over Stream

Good

Madison County, Nebraska · 1S Battle Creek · Structure no. S121 01091

Built
1965
60 years old, rebuilt 1990
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
970
2018 count
Owner
State
State Highway Agency

About this bridge

N121 over Stream is a concrete culvert carrying N121 over Stream in Madison County, Nebraska. It was built in 1965 and reconstructed in 1990, so it is 60 years old, older 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 970 vehicles a day, roughly 9% of them trucks, projected to reach 1,552 by 2038. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN121
CrossesStream
Location1S Battle Creek
RouteState Highway 121
Coordinates41.989, -97.601
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: 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 rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic970 (2018)
Projected traffic1,552 by 2038
Trucks9%
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 N121 over Stream built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1990.

What condition is N121 over Stream 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 May 2023.

How much traffic does N121 over Stream carry?

About 970 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is N121 over Stream?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns N121 over Stream?

It is owned by the State Highway Agency.