US Bridges

S12A Linwood Spur over Platte River Tributary

Good

Butler County, Nebraska · 6W Linwood · Structure no. SS12A00136

Built
1967
58 years old, rebuilt 1993
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
510
2018 count
Owner
State
State Highway Agency

About this bridge

S12A Linwood Spur over Platte River Tributary is a concrete culvert carrying S12A Linwood Spur over Platte River Tributary in Butler County, Nebraska. It was built in 1967 and reconstructed in 1993, so it is 58 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 510 vehicles a day, roughly 11% of them trucks, projected to reach 663 by 2038. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesS12A Linwood Spur
CrossesPlatte River Tributary
Location6W Linwood
RouteState Highway 0S12A
Coordinates41.3944, -97.0339
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 inspectionJune 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 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 traffic510 (2018)
Projected traffic663 by 2038
Trucks11%
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 S12A Linwood Spur over Platte River Tributary built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1993.

What condition is S12A Linwood Spur over Platte River Tributary 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 June 2024.

How much traffic does S12A Linwood Spur over Platte River Tributary carry?

About 510 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is S12A Linwood Spur over Platte River Tributary?

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

Who owns S12A Linwood Spur over Platte River Tributary?

It is owned by the State Highway Agency.