US Bridges

N66 over Wahoo Creek Tributary

Fair

Saunders County, Nebraska · 1SW Ithaca · Structure no. S066 08078

Built
1958
67 years old, rebuilt 1998
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
1,315
2018 count
Owner
State
State Highway Agency

About this bridge

N66 over Wahoo Creek Tributary is a concrete slab carrying N66 over Wahoo Creek Tributary in Saunders County, Nebraska. It was built in 1958 and reconstructed in 1998, so it is 67 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 1,315 vehicles a day, roughly 12% of them trucks, projected to reach 1,710 by 2038. The structure is 26 ft (7.9 m) long and 39 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN66
CrossesWahoo Creek Tributary
Location1SW Ithaca
RouteState Highway 66
Coordinates41.1477, -96.5431
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.2 US tons
Inventory rating34.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width39 ft (11.9 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,315 (2018)
Projected traffic1,710 by 2038
Trucks12%
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N66 over Wahoo Creek Tributary built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1998.

What condition is N66 over Wahoo Creek Tributary 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 Wahoo Creek Tributary carry?

About 1,315 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is N66 over Wahoo Creek Tributary?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 39 ft wide.

Who owns N66 over Wahoo Creek Tributary?

It is owned by the State Highway Agency.