US Bridges

N88 over Clay Springs Draw

Good

Banner County, Nebraska · Njct N71/N88 10.3W · Structure no. S088 00937

Built
1963
62 years old, rebuilt 1996
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
670
2018 count
Owner
State
State Highway Agency

About this bridge

N88 over Clay Springs Draw is a concrete culvert carrying N88 over Clay Springs Draw in Banner County, Nebraska. It was built in 1963 and reconstructed in 1996, so it is 62 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 670 vehicles a day, roughly 16% of them trucks, projected to reach 838 by 2038. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 68.4 mi (110 km).

CarriesN88
CrossesClay Springs Draw
LocationNjct N71/N88 10.3W
RouteState Highway 88
Coordinates41.64, -103.8722
Functional classRural Major Collector

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 inspectionSeptember 2023
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 spans3
Design loadHS 20
Structure length38 ft (11.6 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 traffic670 (2018)
Projected traffic838 by 2038
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed68.4 mi (110 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 N88 over Clay Springs Draw built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1996.

What condition is N88 over Clay Springs Draw 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 September 2023.

How much traffic does N88 over Clay Springs Draw carry?

About 670 vehicles per day (2018 count), of which roughly 16% are trucks.

How long is N88 over Clay Springs Draw?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m).

Who owns N88 over Clay Springs Draw?

It is owned by the State Highway Agency.