US Bridges

IH 43 NB over Lrd Smies RD

Fair

Sheboygan County, Wisconsin · 1.4M N JCT Sth 32 to N · Structure no. B59003900000000

Built
1970
55 years old, rebuilt 2011
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
126 ft
3 main spans
Daily traffic
14,100
2021 count
Owner
State
State Highway Agency

About this bridge

IH 43 NB over Lrd Smies RD is a concrete continuous slab carrying IH 43 NB over Lrd Smies RD in Sheboygan County, Wisconsin. It was built in 1970 and reconstructed in 2011, so it is 55 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 14,100 vehicles a day, roughly 20% of them trucks, projected to reach 35,850 by 2042. The structure is 126 ft (38.4 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH 43 NB
CrossesLrd Smies RD
Location1.4M N JCT Sth 32 to N
RouteInterstate 43
Coordinates43.58649, -87.78782
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
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 length126 ft (38.4 m)
Longest span58 ft (17.7 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,100 (2021)
Projected traffic35,850 by 2042
Trucks20%
Lanes on structure2
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 NB over Lrd Smies RD built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2011.

What condition is IH 43 NB over Lrd Smies RD 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 NB over Lrd Smies RD carry?

About 14,100 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is IH 43 NB over Lrd Smies RD?

The structure is 126 ft (38.4 m) long with a longest span of 58 ft (17.7 m) and a deck 43 ft wide.

Who owns IH 43 NB over Lrd Smies RD?

It is owned by the State Highway Agency.