US Bridges

Cth C over Sth 16

Fair

Waukesha County, Wisconsin · 0.4 MI N JCT Cth P · Structure no. B67016400000000

Built
1979
46 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
259 ft
2 main spans
Daily traffic
8,200
2022 count
Owner
State
State Highway Agency

About this bridge

Cth C over Sth 16 is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth C over Sth 16 in Waukesha County, Wisconsin. It was built in 1979, so it is 46 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 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 8,200 vehicles a day, projected to reach 9,840 by 2042. The structure is 259 ft (78.9 m) long and 75 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesCth C
CrossesSth 16
Location0.4 MI N JCT Cth P
RouteCounty Highway 0C
CountyWaukesha County
StateWisconsin
Coordinates43.10138, -88.40285
Functional classUrban Other Principal 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length259 ft (78.9 m)
Longest span130 ft (39.6 m)
Deck width75 ft (23 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,200 (2022)
Projected traffic9,840 by 2042
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cth C over Sth 16 built?

It was built in 1979, making it 46 years old in 2025.

What condition is Cth C over Sth 16 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 May 2024.

How much traffic does Cth C over Sth 16 carry?

About 8,200 vehicles per day (2022 count).

How long is Cth C over Sth 16?

The structure is 259 ft (78.9 m) long with a longest span of 130 ft (39.6 m) and a deck 75 ft wide.

Who owns Cth C over Sth 16?

It is owned by the State Highway Agency.