US Bridges

N10 over South Loup River

Fair

Buffalo County, Nebraska · 1S Pleasanton · Structure no. S010 07548

Built
1959
66 years old, rebuilt 2002
Condition
Fair
inspected June 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
365 ft
3 main spans
Daily traffic
3,785
2018 count
Owner
State
State Highway Agency

About this bridge

N10 over South Loup River is a steel continuous girder and floorbeam system carrying N10 over South Loup River in Buffalo County, Nebraska. It was built in 1959 and reconstructed in 2002, so it is 66 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 3,785 vehicles a day, roughly 4% of them trucks, projected to reach 6,813 by 2038. The structure is 365 ft (111.3 m) long and 52 ft wide. If it were closed, the detour would be 99.4 mi (160 km).

CarriesN10
CrossesSouth Loup River
Location1S Pleasanton
RouteState Highway 10
Coordinates40.966, -99.083
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length365 ft (111.3 m)
Longest span135 ft (41.1 m)
Deck width52 ft (16 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,785 (2018)
Projected traffic6,813 by 2038
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed99.4 mi (160 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N10 over South Loup River built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2002.

What condition is N10 over South Loup 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 June 2024.

How much traffic does N10 over South Loup River carry?

About 3,785 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is N10 over South Loup River?

The structure is 365 ft (111.3 m) long with a longest span of 135 ft (41.1 m) and a deck 52 ft wide.

Who owns N10 over South Loup River?

It is owned by the State Highway Agency.