US Bridges

Cth B over W Twin River

Fair

Manitowoc County, Wisconsin · 0.1M S JCT Cth Vv · Structure no. B36014300000000

Built
1993
32 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
66 ft
2 main spans
Daily traffic
6,500
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 1993, so it is 32 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 6,500 vehicles a day, projected to reach 7,029 by 2042. The structure is 66 ft (20.2 m) long and 41 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCth B
CrossesW Twin River
Location0.1M S JCT Cth Vv
RouteCounty Highway 0B
CountyManitowoc County
StateWisconsin
Coordinates44.17679, -87.64909
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 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 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 rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length66 ft (20.2 m)
Longest span32 ft (9.8 m)
Deck width41 ft (12.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2023)
Projected traffic7,029 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 1993, making it 32 years old in 2025.

What condition is Cth B over W Twin 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 November 2023.

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

About 6,500 vehicles per day (2023 count).

How long is Cth B over W Twin River?

The structure is 66 ft (20.2 m) long with a longest span of 32 ft (9.8 m) and a deck 41 ft wide.

Who owns Cth B over W Twin River?

It is owned by the County Highway Agency.