US Bridges

Cth Nn over Cedar Creek

Fair

Ozaukee County, Wisconsin · 1.1M E JCT Cth Y · Structure no. B45000400000000

Built
1992
33 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
107 ft
2 main spans
Daily traffic
5,800
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Nn over Cedar Creek is a concrete continuous slab carrying Cth Nn over Cedar Creek in Ozaukee County, Wisconsin. It was built in 1992, so it is 33 years old, younger than the Wisconsin average of 40.3 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 5,800 vehicles a day, roughly 7% of them trucks, projected to reach 5,073 by 2043. The structure is 107 ft (32.5 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCth Nn
CrossesCedar Creek
Location1.1M E JCT Cth Y
RouteCounty Highway 0NN
Coordinates43.34193, -88.02536
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
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 rating64.8 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length107 ft (32.5 m)
Longest span53 ft (16.2 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,800 (2022)
Projected traffic5,073 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Cth Nn over Cedar Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Cth Nn 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 July 2024.

How much traffic does Cth Nn over Cedar Creek carry?

About 5,800 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Cth Nn over Cedar Creek?

The structure is 107 ft (32.5 m) long with a longest span of 53 ft (16.2 m) and a deck 43 ft wide.

Who owns Cth Nn over Cedar Creek?

It is owned by the County Highway Agency.