US Bridges

N87 over Spring Creek Trib

Good

Sheridan County, Nebraska · 6S Hay Springs · Structure no. S087 03809

Built
1946
79 years old, rebuilt 1976
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
1,145
2018 count
Owner
State
State Highway Agency

About this bridge

N87 over Spring Creek Trib is a concrete culvert carrying N87 over Spring Creek Trib in Sheridan County, Nebraska. It was built in 1946 and reconstructed in 1976, so it is 79 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,145 vehicles a day, roughly 10% of them trucks, projected to reach 1,546 by 2038. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN87
CrossesSpring Creek Trib
Location6S Hay Springs
RouteState Highway 87
Coordinates42.5915, -102.6942
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
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 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 loadUnknown
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 traffic1,145 (2018)
Projected traffic1,546 by 2038
Trucks10%
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 N87 over Spring Creek Trib built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 1976.

What condition is N87 over Spring Creek Trib 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 May 2024.

How much traffic does N87 over Spring Creek Trib carry?

About 1,145 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is N87 over Spring Creek Trib?

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

Who owns N87 over Spring Creek Trib?

It is owned by the State Highway Agency.