US Bridges

N7 over Stream

Good

Keya Paha County, Nebraska · Ejct US20/N7 12.7N · Structure no. S007 07337

Built
1982
43 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
280
2018 count
Owner
State
State Highway Agency

About this bridge

N7 over Stream is a concrete culvert carrying N7 over Stream in Keya Paha County, Nebraska. It was built in 1982, so it is 43 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 280 vehicles a day, roughly 25% of them trucks, projected to reach 364 by 2038. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 211.3 mi (340 km).

CarriesN7
CrossesStream
LocationEjct US20/N7 12.7N
RouteState Highway 7
Coordinates42.7238, -99.5894
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 inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.9 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 traffic280 (2018)
Projected traffic364 by 2038
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed211.3 mi (340 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 N7 over Stream built?

It was built in 1982, making it 43 years old in 2025.

What condition is N7 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 March 2023.

How much traffic does N7 over Stream carry?

About 280 vehicles per day (2018 count), of which roughly 25% are trucks.

How long is N7 over Stream?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m).

Who owns N7 over Stream?

It is owned by the State Highway Agency.