US Bridges

N66 over Clear Creek

Fair

Saunders County, Nebraska · 4N Ashland · Structure no. S066 09308

Built
1956
69 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
73 ft
3 main spans
Daily traffic
1,620
2018 count
Owner
State
State Highway Agency

About this bridge

N66 over Clear Creek is a concrete continuous slab carrying N66 over Clear Creek in Saunders County, Nebraska. It was built in 1956, so it is 69 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,620 vehicles a day, roughly 14% of them trucks, projected to reach 2,187 by 2038. The structure is 73 ft (22.3 m) long and 31 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesN66
CrossesClear Creek
Location4N Ashland
RouteState Highway 66
Coordinates41.0887, -96.3804
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length73 ft (22.3 m)
Longest span30 ft (9.1 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,620 (2018)
Projected traffic2,187 by 2038
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 Clear Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is N66 over Clear Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does N66 over Clear Creek carry?

About 1,620 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is N66 over Clear Creek?

The structure is 73 ft (22.3 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.

Who owns N66 over Clear Creek?

It is owned by the State Highway Agency.