US Bridges

S18C Deweese Spur over Little Blue River

Fair

Clay County, Nebraska · .4NE Deweese · Structure no. SS18C00479

Built
1979
46 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
201 ft
3 main spans
Daily traffic
185
2018 count
Owner
State
State Highway Agency

About this bridge

S18C Deweese Spur over Little Blue River is a steel continuous stringer/multi-beam or girder carrying S18C Deweese Spur over Little Blue River in Clay County, Nebraska. It was built in 1979, so it is 46 years old, younger 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 5 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 185 vehicles a day, roughly 8% of them trucks, projected to reach 268 by 2038. The structure is 201 ft (61.3 m) long and 31 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesS18C Deweese Spur
CrossesLittle Blue River
Location.4NE Deweese
RouteState Highway 0S18C
Coordinates40.3578, -98.1326
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.5 US tons
Inventory rating41.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length201 ft (61.3 m)
Longest span77 ft (23.5 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic185 (2018)
Projected traffic268 by 2038
Trucks8%
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 S18C Deweese Spur over Little Blue River built?

It was built in 1979, making it 46 years old in 2025.

What condition is S18C Deweese Spur over Little Blue River 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 August 2023.

How much traffic does S18C Deweese Spur over Little Blue River carry?

About 185 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is S18C Deweese Spur over Little Blue River?

The structure is 201 ft (61.3 m) long with a longest span of 77 ft (23.5 m) and a deck 31 ft wide.

Who owns S18C Deweese Spur over Little Blue River?

It is owned by the State Highway Agency.