US Bridges

S56A Maxwell Spur over N Ch Platte River

PoorPosted for load

Lincoln County, Nebraska · 1S Maxwell · Structure no. SS56A00115

Built
1931
94 years old, rebuilt 1980
Condition
Poor
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
602 ft
12 main spans
Daily traffic
955
2018 count
Owner
State
State Highway Agency

About this bridge

S56A Maxwell Spur over N Ch Platte River is a steel stringer/multi-beam or girder carrying S56A Maxwell Spur over N Ch Platte River in Lincoln County, Nebraska. It was built in 1931 and reconstructed in 1980, so it is 94 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 955 vehicles a day, roughly 9% of them trucks, projected to reach 1,242 by 2038. The structure is 602 ft (183.5 m) long and 38 ft wide. If it were closed, the detour would be 279.6 mi (450 km).

CarriesS56A Maxwell Spur
CrossesN Ch Platte River
Location1S Maxwell
RouteState Highway 0S56A
Coordinates41.0627, -100.525
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating22 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans12 (+2 approach)
Design loadH 15
Structure length602 ft (183.5 m)
Longest span50 ft (15.2 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic955 (2018)
Projected traffic1,242 by 2038
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed279.6 mi (450 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 S56A Maxwell Spur over N Ch Platte River built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1980.

What condition is S56A Maxwell Spur over N Ch Platte River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2023.

How much traffic does S56A Maxwell Spur over N Ch Platte River carry?

About 955 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is S56A Maxwell Spur over N Ch Platte River?

The structure is 602 ft (183.5 m) long with a longest span of 50 ft (15.2 m) and a deck 38 ft wide.

Who owns S56A Maxwell Spur over N Ch Platte River?

It is owned by the State Highway Agency.