US Bridges

Sth 66-CLARK ST over Wisconsin River 23

Fair

Portage County, Wisconsin · 0.4M E JCT Cth P · Structure no. B49009300000000

Built
2000
25 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
542 ft
4 main spans
Daily traffic
7,821
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sth 66-CLARK ST over Wisconsin River 23 is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 66-CLARK ST over Wisconsin River 23 in Portage County, Wisconsin. It was built in 2000, so it is 25 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 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 7,821 vehicles a day, roughly 3% of them trucks, projected to reach 8,163 by 2042. The structure is 542 ft (165.2 m) long and 85 ft wide. If it were closed, the detour would be 36.7 mi (59 km).

Location

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CarriesSth 66-CLARK ST
CrossesWisconsin River 23
Location0.4M E JCT Cth P
RouteState Highway 66
CountyPortage County
StateWisconsin
Coordinates44.52163, -89.58983
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.4 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length542 ft (165.2 m)
Longest span135 ft (41 m)
Deck width85 ft (25.8 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,821 (2022)
Projected traffic8,163 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed36.7 mi (59 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Sth 66-CLARK ST over Wisconsin River 23 built?

It was built in 2000, making it 25 years old in 2025.

What condition is Sth 66-CLARK ST over Wisconsin River 23 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 Sth 66-CLARK ST over Wisconsin River 23 carry?

About 7,821 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Sth 66-CLARK ST over Wisconsin River 23?

The structure is 542 ft (165.2 m) long with a longest span of 135 ft (41 m) and a deck 85 ft wide.

Who owns Sth 66-CLARK ST over Wisconsin River 23?

It is owned by the City or Municipal Highway Agency.