US Bridges

N11 over Stream

Good

Valley County, Nebraska · 2N North Loup · Structure no. S011 06491

Built
1939
86 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
39 ft
4 main spans
Daily traffic
1,950
2018 count
Owner
State
State Highway Agency

About this bridge

N11 over Stream is a concrete culvert carrying N11 over Stream in Valley County, Nebraska. It was built in 1939, so it is 86 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 1,950 vehicles a day, roughly 10% of them trucks, projected to reach 2,535 by 2038. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 18.6 mi (30 km).

CarriesN11
CrossesStream
Location2N North Loup
RouteState Highway 11
Coordinates41.5174, -98.7798
Functional classRural Minor Arterial

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 inspectionDecember 2024
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 spans4
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,950 (2018)
Projected traffic2,535 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 Stream built?

It was built in 1939, making it 86 years old in 2025.

What condition is N11 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 December 2024.

How much traffic does N11 over Stream carry?

About 1,950 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is N11 over Stream?

The structure is 39 ft (11.9 m) long with a longest span of 8 ft (2.4 m).

Who owns N11 over Stream?

It is owned by the State Highway Agency.