US Bridges

IH 43 SB over Cth J

Good

Sheboygan County, Wisconsin · 0.2M S JCT Sth 42 · Structure no. B59018600000000

Built
2012
13 years old
Condition
Good
inspected November 2021
Type
Slab
Concrete Continuous
Length
159 ft
3 main spans
Daily traffic
15,500
2021 count
Owner
State
State Highway Agency

About this bridge

IH 43 SB over Cth J is a concrete continuous slab carrying IH 43 SB over Cth J in Sheboygan County, Wisconsin. It was built in 2012, so it is 13 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 15,500 vehicles a day, roughly 20% of them trucks, projected to reach 16,600 by 2041. The structure is 159 ft (48.6 m) long and 52 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH 43 SB
CrossesCth J
Location0.2M S JCT Sth 42
RouteInterstate 43
Coordinates43.79008, -87.76453
Functional classUrban Principal Arterial - Interstate

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.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length159 ft (48.6 m)
Longest span63 ft (19.2 m)
Deck width52 ft (16 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,500 (2021)
Projected traffic16,600 by 2041
Trucks20%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 43 SB over Cth J built?

It was built in 2012, making it 13 years old in 2025.

What condition is IH 43 SB over Cth J 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 IH 43 SB over Cth J carry?

About 15,500 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is IH 43 SB over Cth J?

The structure is 159 ft (48.6 m) long with a longest span of 63 ft (19.2 m) and a deck 52 ft wide.

Who owns IH 43 SB over Cth J?

It is owned by the State Highway Agency.