US Bridges

N87 over Clay Creek

Fair

Sheridan County, Nebraska · 8N Rushville · Structure no. S087 06418

Built
1952
73 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
1,045
2018 count
Owner
State
State Highway Agency

About this bridge

N87 over Clay Creek is a concrete culvert carrying N87 over Clay Creek in Sheridan County, Nebraska. It was built in 1952, so it is 73 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 1,045 vehicles a day, roughly 12% of them trucks, projected to reach 1,411 by 2038. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 130.5 mi (210 km).

Location

Open in Google Maps
CarriesN87
CrossesClay Creek
Location8N Rushville
RouteState Highway 87
CountySheridan County
StateNebraska
Coordinates42.8303, -102.51
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 inspectionMay 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,045 (2018)
Projected traffic1,411 by 2038
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed130.5 mi (210 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 N87 over Clay Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is N87 over Clay 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 May 2024.

How much traffic does N87 over Clay Creek carry?

About 1,045 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is N87 over Clay Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns N87 over Clay Creek?

It is owned by the State Highway Agency.