US Bridges

IH 43 NB over Lrd Elm Ridge RD

Fair

Walworth County, Wisconsin · 3.2 MI N JCT Ush 14 · Structure no. B64012200000000

Built
1975
50 years old, rebuilt 2015
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
148 ft
3 main spans
Daily traffic
10,850
2022 count
Owner
State
State Highway Agency

About this bridge

IH 43 NB over Lrd Elm Ridge RD is a prestressed concrete continuous stringer/multi-beam or girder carrying IH 43 NB over Lrd Elm Ridge RD in Walworth County, Wisconsin. It was built in 1975 and reconstructed in 2015, 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 10,850 vehicles a day, roughly 12% of them trucks, projected to reach 13,020 by 2042. The structure is 148 ft (45.2 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH 43 NB
CrossesLrd Elm Ridge RD
Location3.2 MI N JCT Ush 14
RouteInterstate 43
Coordinates42.61856, -88.66404
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 rating61.2 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length148 ft (45.2 m)
Longest span64 ft (19.5 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,850 (2022)
Projected traffic13,020 by 2042
Trucks12%
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 Elm Ridge RD built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2015.

What condition is IH 43 NB over Lrd Elm Ridge 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 October 2023.

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

About 10,850 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is IH 43 NB over Lrd Elm Ridge RD?

The structure is 148 ft (45.2 m) long with a longest span of 64 ft (19.5 m) and a deck 43 ft wide.

Who owns IH 43 NB over Lrd Elm Ridge RD?

It is owned by the State Highway Agency.