US Bridges

S66A Douglas Spur over Silver Creek

Good

Otoe County, Nebraska · 2S Palmyra · Structure no. SS66A00269

Built
1994
31 years old
Condition
Good
inspected February 2025
Type
Slab
Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
930
2018 count
Owner
State
State Highway Agency

About this bridge

S66A Douglas Spur over Silver Creek is a concrete continuous slab carrying S66A Douglas Spur over Silver Creek 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 133 ft (40.5 m) long and 38 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesS66A Douglas Spur
CrossesSilver Creek
Location2S Palmyra
RouteState Highway 0S66A
Coordinates40.6724, -96.3876
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102.5 US tons
Inventory rating61.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length133 ft (40.5 m)
Longest span52 ft (15.8 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 Silver Creek built?

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

What condition is S66A Douglas Spur over Silver Creek 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 Silver Creek carry?

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

How long is S66A Douglas Spur over Silver Creek?

The structure is 133 ft (40.5 m) long with a longest span of 52 ft (15.8 m) and a deck 38 ft wide.

Who owns S66A Douglas Spur over Silver Creek?

It is owned by the State Highway Agency.