US Bridges

Cth K over Branch River

Good

Manitowoc County, Wisconsin · 0.8M E JCT Cth G · Structure no. P36090400000000

Built
1956
69 years old, rebuilt 1993
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
930
2021 count
Owner
County
County Highway Agency

About this bridge

Cth K over Branch River is a prestressed concrete box beam or girders - multiple carrying Cth K over Branch River in Manitowoc County, Wisconsin. It was built in 1956 and reconstructed in 1993, so it is 69 years old, older 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 930 vehicles a day, projected to reach 1,116 by 2041. The structure is 73 ft (22.3 m) long and 31 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCth K
CrossesBranch River
Location0.8M E JCT Cth G
RouteCounty Highway 0K
Coordinates44.22552, -87.90478
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length73 ft (22.3 m)
Longest span71 ft (21.7 m)
Deck width31 ft (9.5 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic930 (2021)
Projected traffic1,116 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 K over Branch River built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1993.

What condition is Cth K over Branch 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 October 2023.

How much traffic does Cth K over Branch River carry?

About 930 vehicles per day (2021 count).

How long is Cth K over Branch River?

The structure is 73 ft (22.3 m) long with a longest span of 71 ft (21.7 m) and a deck 31 ft wide.

Who owns Cth K over Branch River?

It is owned by the County Highway Agency.