US Bridges

Cth C Pioneer RD over Milwaukee River

Good

Ozaukee County, Wisconsin · 0.9M W JCT Cth W · Structure no. B45007900000000

Built
1988
37 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
238 ft
3 main spans
Daily traffic
9,900
2022 count
Owner
County
County Highway Agency

About this bridge

Cth C Pioneer RD over Milwaukee River is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth C Pioneer RD over Milwaukee River in Ozaukee County, Wisconsin. It was built in 1988, so it is 37 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,900 vehicles a day, projected to reach 10,221 by 2043. The structure is 238 ft (72.4 m) long and 47 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCth C Pioneer RD
CrossesMilwaukee River
Location0.9M W JCT Cth W
RouteCounty Highway 0C
Coordinates43.27999, -87.94259
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
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 evaluation7: Better than 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 rating71.7 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length238 ft (72.4 m)
Longest span78 ft (23.8 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,900 (2022)
Projected traffic10,221 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemYes

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 C Pioneer RD over Milwaukee River built?

It was built in 1988, making it 37 years old in 2025.

What condition is Cth C Pioneer RD over Milwaukee River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Cth C Pioneer RD over Milwaukee River carry?

About 9,900 vehicles per day (2022 count).

How long is Cth C Pioneer RD over Milwaukee River?

The structure is 238 ft (72.4 m) long with a longest span of 78 ft (23.8 m) and a deck 47 ft wide.

Who owns Cth C Pioneer RD over Milwaukee River?

It is owned by the County Highway Agency.