US Bridges

N66 over Cedar Creek

Fair

Cass County, Nebraska · 2E Louisville · Structure no. S066 11386

Built
1989
36 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Prestressed Concrete
Length
133 ft
3 main spans
Daily traffic
2,585
2018 count
Owner
State
State Highway Agency

About this bridge

N66 over Cedar Creek is a prestressed concrete tee beam carrying N66 over Cedar Creek in Cass County, Nebraska. It was built in 1989, so it is 36 years old, younger 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 5 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 2,585 vehicles a day, roughly 9% of them trucks, projected to reach 3,490 by 2038. The structure is 133 ft (40.5 m) long and 38 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesN66
CrossesCedar Creek
Location2E Louisville
RouteState Highway 66
Coordinates41.0016, -96.1212
Functional classRural Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.1 US tons
Inventory rating45.2 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length133 ft (40.5 m)
Longest span44 ft (13.4 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,585 (2018)
Projected traffic3,490 by 2038
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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 Cedar Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is N66 over Cedar 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 March 2024.

How much traffic does N66 over Cedar Creek carry?

About 2,585 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is N66 over Cedar Creek?

The structure is 133 ft (40.5 m) long with a longest span of 44 ft (13.4 m) and a deck 38 ft wide.

Who owns N66 over Cedar Creek?

It is owned by the State Highway Agency.