US Bridges

N11 over S Frk Elkhorn River

Fair

Holt County, Nebraska · 22S Atkinson · Structure no. S011 12642

Built
1977
48 years old, rebuilt 2002
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
325
2018 count
Owner
State
State Highway Agency

About this bridge

N11 over S Frk Elkhorn River is a concrete culvert carrying N11 over S Frk Elkhorn River in Holt County, Nebraska. It was built in 1977 and reconstructed in 2002, so it is 48 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 325 vehicles a day, roughly 17% of them trucks, projected to reach 406 by 2038. The structure is 23 ft (7 m) long. If it were closed, the detour would be 49.7 mi (80 km).

CarriesN11
CrossesS Frk Elkhorn River
Location22S Atkinson
RouteState Highway 11
Coordinates42.2142, -98.9683
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 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 adequacy8: Equal to present desirable 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 loadHS 20
Structure length23 ft (7 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 traffic325 (2018)
Projected traffic406 by 2038
Trucks17%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N11 over S Frk Elkhorn River built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2002.

What condition is N11 over S Frk Elkhorn River 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 March 2023.

How much traffic does N11 over S Frk Elkhorn River carry?

About 325 vehicles per day (2018 count), of which roughly 17% are trucks.

How long is N11 over S Frk Elkhorn River?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns N11 over S Frk Elkhorn River?

It is owned by the State Highway Agency.