US Bridges

N7 over North Loup River

Good

Blaine County, Nebraska · 1N Brewster · Structure no. S007 00071

Built
1963
62 years old, rebuilt 1992
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
114 ft
3 main spans
Daily traffic
415
2018 count
Owner
State
State Highway Agency

About this bridge

N7 over North Loup River is a concrete continuous slab carrying N7 over North Loup River in Blaine County, Nebraska. It was built in 1963 and reconstructed in 1992, so it is 62 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 415 vehicles a day, roughly 11% of them trucks, projected to reach 540 by 2038. The structure is 114 ft (34.7 m) long and 33 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

CarriesN7
CrossesNorth Loup River
Location1N Brewster
RouteState Highway 7
Coordinates41.9419, -99.8602
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum 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 rating48.5 US tons
Inventory rating28.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length114 ft (34.7 m)
Longest span46 ft (14 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic415 (2018)
Projected traffic540 by 2038
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 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 North Loup River built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1992.

What condition is N7 over North Loup River 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 November 2024.

How much traffic does N7 over North Loup River carry?

About 415 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is N7 over North Loup River?

The structure is 114 ft (34.7 m) long with a longest span of 46 ft (14 m) and a deck 33 ft wide.

Who owns N7 over North Loup River?

It is owned by the State Highway Agency.