US Bridges

IH 43 over Br Sheboygan River

Fair

Sheboygan County, Wisconsin · 2.3M N JCT Sth 28 to E · Structure no. B59029400000000

Built
1966
59 years old, rebuilt 1976
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
36,100
2023 count
Owner
State
State Highway Agency

About this bridge

IH 43 over Br Sheboygan River is a concrete continuous culvert carrying IH 43 over Br Sheboygan River in Sheboygan County, Wisconsin. It was built in 1966 and reconstructed in 1976, so it is 59 years old, older 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 36,100 vehicles a day, roughly 1% of them trucks, projected to reach 47,470 by 2042. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesIH 43
CrossesBr Sheboygan River
Location2.3M N JCT Sth 28 to E
RouteInterstate 43
Coordinates43.74841, -87.76152
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum 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 span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,100 (2023)
Projected traffic47,470 by 2042
Trucks1%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 43 over Br Sheboygan River built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1976.

What condition is IH 43 over Br Sheboygan 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 IH 43 over Br Sheboygan River carry?

About 36,100 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is IH 43 over Br Sheboygan River?

The structure is 23 ft (6.9 m) long with a longest span of 8 ft (2.4 m).

Who owns IH 43 over Br Sheboygan River?

It is owned by the State Highway Agency.