US Bridges

S66A Douglas Spur over Little Nemaha River

Good

Otoe County, Nebraska · 0S Palmyra · Structure no. SS66A00072

Built
1994
31 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
234 ft
3 main spans
Daily traffic
930
2018 count
Owner
State
State Highway Agency

About this bridge

S66A Douglas Spur over Little Nemaha River is a prestressed concrete continuous stringer/multi-beam or girder carrying S66A Douglas Spur over Little Nemaha River in Otoe County, Nebraska. It was built in 1994, so it is 31 years old, younger 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 930 vehicles a day, roughly 6% of them trucks, projected to reach 1,256 by 2038. The structure is 234 ft (71.3 m) long and 38 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesS66A Douglas Spur
CrossesLittle Nemaha River
Location0S Palmyra
RouteState Highway 0S66A
Coordinates40.7011, -96.3878
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.4 US tons
Inventory rating54 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length234 ft (71.3 m)
Longest span78 ft (23.8 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic930 (2018)
Projected traffic1,256 by 2038
Trucks6%
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 S66A Douglas Spur over Little Nemaha River built?

It was built in 1994, making it 31 years old in 2025.

What condition is S66A Douglas Spur over Little Nemaha River 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 February 2025.

How much traffic does S66A Douglas Spur over Little Nemaha River carry?

About 930 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is S66A Douglas Spur over Little Nemaha River?

The structure is 234 ft (71.3 m) long with a longest span of 78 ft (23.8 m) and a deck 38 ft wide.

Who owns S66A Douglas Spur over Little Nemaha River?

It is owned by the State Highway Agency.