US Bridges

Cth Hh over Wisconsin River

Fair

Portage County, Wisconsin · 1.2M W JCT HWY 66 · Structure no. B49009100000000

Built
1999
26 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
152 ft
3 main spans
Daily traffic
1,200
2023 count
Owner
County
County Highway Agency

About this bridge

Cth Hh over Wisconsin River is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth Hh over Wisconsin River in Portage County, Wisconsin. It was built in 1999, so it is 26 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 1,200 vehicles a day, projected to reach 4,200 by 2041. The structure is 152 ft (46.4 m) long and 78 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCth Hh
CrossesWisconsin River
Location1.2M W JCT HWY 66
RouteCounty Highway 0HH
Coordinates44.50077, -89.59124
Functional classUrban 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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length152 ft (46.4 m)
Longest span50 ft (15.3 m)
Deck width78 ft (23.7 m)
Roadway width76 ft (23.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2023)
Projected traffic4,200 by 2041
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Hh over Wisconsin River built?

It was built in 1999, making it 26 years old in 2025.

What condition is Cth Hh over Wisconsin 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 August 2023.

How much traffic does Cth Hh over Wisconsin River carry?

About 1,200 vehicles per day (2023 count).

How long is Cth Hh over Wisconsin River?

The structure is 152 ft (46.4 m) long with a longest span of 50 ft (15.3 m) and a deck 78 ft wide.

Who owns Cth Hh over Wisconsin River?

It is owned by the County Highway Agency.