US Bridges

N92 over South Loup River

Good

Custer County, Nebraska · Wcl Arnold · Structure no. S092 24863

Built
1985
40 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
82 ft
3 main spans
Daily traffic
1,460
2018 count
Owner
State
State Highway Agency

About this bridge

N92 over South Loup River is a concrete continuous slab carrying N92 over South Loup River in Custer County, Nebraska. It was built in 1985, so it is 40 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 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 1,460 vehicles a day, roughly 9% of them trucks, projected to reach 1,971 by 2038. The structure is 82 ft (25 m) long and 34 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesN92
CrossesSouth Loup River
LocationWcl Arnold
RouteState Highway 92
Coordinates41.4227, -100.2032
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating73.9 US tons
Inventory rating44.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length82 ft (25 m)
Longest span32 ft (9.8 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,460 (2018)
Projected traffic1,971 by 2038
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 N92 over South Loup River built?

It was built in 1985, making it 40 years old in 2025.

What condition is N92 over South 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 N92 over South Loup River carry?

About 1,460 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is N92 over South Loup River?

The structure is 82 ft (25 m) long with a longest span of 32 ft (9.8 m) and a deck 34 ft wide.

Who owns N92 over South Loup River?

It is owned by the State Highway Agency.