US Bridges

Cth B over W Twin River

Good

Manitowoc County, Wisconsin · 0.1M S JCT Cth Vv · Structure no. B36015400000000

Built
1996
29 years old
Condition
Good
inspected November 2021
Type
Slab
Concrete Continuous
Length
102 ft
2 main spans
Daily traffic
6,800
2023 count
Owner
County
County Highway Agency

About this bridge

Cth B over W Twin River is a concrete continuous slab carrying Cth B over W Twin River in Manitowoc County, Wisconsin. It was built in 1996, so it is 29 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 6,800 vehicles a day, projected to reach 7,029 by 2040. The structure is 102 ft (31.2 m) long and 41 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCth B
CrossesW Twin River
Location0.1M S JCT Cth Vv
RouteCounty Highway 0B
Coordinates44.17578, -87.64921
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
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 rating68.5 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length102 ft (31.2 m)
Longest span50 ft (15.2 m)
Deck width41 ft (12.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,800 (2023)
Projected traffic7,029 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 B over W Twin River built?

It was built in 1996, making it 29 years old in 2025.

What condition is Cth B over W Twin 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 November 2021.

How much traffic does Cth B over W Twin River carry?

About 6,800 vehicles per day (2023 count).

How long is Cth B over W Twin River?

The structure is 102 ft (31.2 m) long with a longest span of 50 ft (15.2 m) and a deck 41 ft wide.

Who owns Cth B over W Twin River?

It is owned by the County Highway Agency.