US Bridges

IH 43 NB over Lrd Schroeder RD

Fair

Rock County, Wisconsin · 3.2M N JCT IH 90 to W · Structure no. B53010700000000

Built
1975
50 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
163 ft
3 main spans
Daily traffic
8,700
2022 count
Owner
State
State Highway Agency

About this bridge

IH 43 NB over Lrd Schroeder RD is a prestressed concrete continuous stringer/multi-beam or girder carrying IH 43 NB over Lrd Schroeder RD in Rock County, Wisconsin. It was built in 1975, so it is 50 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 8,700 vehicles a day, roughly 10% of them trucks, projected to reach 10,440 by 2039. The structure is 163 ft (49.7 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH 43 NB
CrossesLrd Schroeder RD
Location3.2M N JCT IH 90 to W
RouteInterstate 43
Coordinates42.55424, -88.92409
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.7 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length163 ft (49.7 m)
Longest span70 ft (21.2 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,700 (2022)
Projected traffic10,440 by 2039
Trucks10%
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 Schroeder RD built?

It was built in 1975, making it 50 years old in 2025.

What condition is IH 43 NB over Lrd Schroeder 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 March 2023.

How much traffic does IH 43 NB over Lrd Schroeder RD carry?

About 8,700 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is IH 43 NB over Lrd Schroeder RD?

The structure is 163 ft (49.7 m) long with a longest span of 70 ft (21.2 m) and a deck 44 ft wide.

Who owns IH 43 NB over Lrd Schroeder RD?

It is owned by the State Highway Agency.