US Bridges

N92 over Cob Creek

Fair

Sherman County, Nebraska · 7W Loup City · Structure no. S092 31386

Built
1950
75 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
1,005
2018 count
Owner
State
State Highway Agency

About this bridge

N92 over Cob Creek is a concrete culvert carrying N92 over Cob Creek in Sherman County, Nebraska. It was built in 1950, so it is 75 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 6 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 1,005 vehicles a day, roughly 13% of them trucks, projected to reach 1,357 by 2038. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesN92
CrossesCob Creek
Location7W Loup City
RouteState Highway 92
CountySherman County
StateNebraska
Coordinates41.2788, -99.1082
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,005 (2018)
Projected traffic1,357 by 2038
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 Cob Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is N92 over Cob Creek 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 November 2024.

How much traffic does N92 over Cob Creek carry?

About 1,005 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is N92 over Cob Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns N92 over Cob Creek?

It is owned by the State Highway Agency.