US Bridges

N10 over Middle Loup River

Good

Sherman County, Nebraska · 1S Loup City · Structure no. S010 10086

Built
1962
63 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
391 ft
3 main spans
Daily traffic
1,045
2018 count
Owner
State
State Highway Agency

About this bridge

N10 over Middle Loup River is a steel continuous stringer/multi-beam or girder carrying N10 over Middle Loup River in Sherman County, Nebraska. It was built in 1962, so it is 63 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 1,045 vehicles a day, roughly 11% of them trucks, projected to reach 1,568 by 2038. The structure is 391 ft (119.2 m) long and 33 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesN10
CrossesMiddle Loup River
Location1S Loup City
RouteState Highway 10
Coordinates41.2609, -98.9764
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating52.9 US tons
Inventory rating32 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length391 ft (119.2 m)
Longest span145 ft (44.2 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,045 (2018)
Projected traffic1,568 by 2038
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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 N10 over Middle Loup River built?

It was built in 1962, making it 63 years old in 2025.

What condition is N10 over Middle 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 N10 over Middle Loup River carry?

About 1,045 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is N10 over Middle Loup River?

The structure is 391 ft (119.2 m) long with a longest span of 145 ft (44.2 m) and a deck 33 ft wide.

Who owns N10 over Middle Loup River?

It is owned by the State Highway Agency.