US Bridges

N66 over Plum Creek

Good

Butler County, Nebraska · 2W Dwight · Structure no. S066 04916

Built
1961
64 years old, rebuilt 2014
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
94 ft
3 main spans
Daily traffic
950
2018 count
Owner
State
State Highway Agency

About this bridge

N66 over Plum Creek is a concrete continuous slab carrying N66 over Plum Creek in Butler County, Nebraska. It was built in 1961 and reconstructed in 2014, so it is 64 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 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 950 vehicles a day, roughly 8% of them trucks, projected to reach 1,473 by 2038. The structure is 94 ft (28.7 m) long and 39 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN66
CrossesPlum Creek
Location2W Dwight
RouteState Highway 66
Coordinates41.0754, -97.0576
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 protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 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 alignment7: Better than present minimum criteria
Operating rating51.8 US tons
Inventory rating30.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length94 ft (28.7 m)
Longest span38 ft (11.6 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2018)
Projected traffic1,473 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 N66 over Plum Creek built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2014.

What condition is N66 over Plum 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 June 2024.

How much traffic does N66 over Plum Creek carry?

About 950 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is N66 over Plum Creek?

The structure is 94 ft (28.7 m) long with a longest span of 38 ft (11.6 m) and a deck 39 ft wide.

Who owns N66 over Plum Creek?

It is owned by the State Highway Agency.