US Bridges

Cth Ab over N Br E Twin River

Good

Kewaunee County, Wisconsin · 0.4M N JCT Cth Bb · Structure no. B31002500000000

Built
1986
39 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
1,100
2021 count
Owner
County
County Highway Agency

About this bridge

Cth Ab over N Br E Twin River is a concrete continuous culvert carrying Cth Ab over N Br E Twin River in Kewaunee County, Wisconsin. It was built in 1986, so it is 39 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 1,100 vehicles a day, roughly 8% of them trucks, projected to reach 1,320 by 2041. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 31.7 mi (51 km).

CarriesCth Ab
CrossesN Br E Twin River
Location0.4M N JCT Cth Bb
RouteCounty Highway 0AB
Coordinates44.33332, -87.64408
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length23 ft (6.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2021)
Projected traffic1,320 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 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 Ab over N Br E Twin River built?

It was built in 1986, making it 39 years old in 2025.

What condition is Cth Ab over N Br E 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 June 2024.

How much traffic does Cth Ab over N Br E Twin River carry?

About 1,100 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Cth Ab over N Br E Twin River?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m).

Who owns Cth Ab over N Br E Twin River?

It is owned by the County Highway Agency.