US Bridges

Cth H over Milwaukee River

Fair

Ozaukee County, Wisconsin · 0.2M E JCT Cth I to S · Structure no. B45002900000000

Built
1967
58 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
274 ft
4 main spans
Daily traffic
5,330
2022 count
Owner
County
County Highway Agency

About this bridge

Cth H over Milwaukee River is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth H over Milwaukee River in Ozaukee County, Wisconsin. It was built in 1967, so it is 58 years old, older 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 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 5,330 vehicles a day, roughly 8% of them trucks, projected to reach 7,450 by 2043. The structure is 274 ft (83.5 m) long and 37 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCth H
CrossesMilwaukee River
Location0.2M E JCT Cth I to S
RouteCounty Highway 0H
Coordinates43.46959, -87.97566
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating23.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length274 ft (83.5 m)
Longest span68 ft (20.6 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,330 (2022)
Projected traffic7,450 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 H over Milwaukee River built?

It was built in 1967, making it 58 years old in 2025.

What condition is Cth H over Milwaukee River 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 September 2024.

How much traffic does Cth H over Milwaukee River carry?

About 5,330 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Cth H over Milwaukee River?

The structure is 274 ft (83.5 m) long with a longest span of 68 ft (20.6 m) and a deck 37 ft wide.

Who owns Cth H over Milwaukee River?

It is owned by the County Highway Agency.