US Bridges

Lrd Miramar RD over IH 43

Fair

Walworth County, Wisconsin · 0.1M E JCT Cth Es · Structure no. B64008700000000

Built
1971
54 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
339 ft
2 main spans
Daily traffic
1,100
2022 count
Owner
State
State Highway Agency

About this bridge

Lrd Miramar RD over IH 43 is a steel continuous box beam or girders - single or spread carrying Lrd Miramar RD over IH 43 in Walworth County, Wisconsin. It was built in 1971, so it is 54 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 1,100 vehicles a day, projected to reach 1,100 by 2042. The structure is 339 ft (103.3 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesLrd Miramar RD
CrossesIH 43
Location0.1M E JCT Cth Es
RouteCity Street 0
CountyWalworth County
StateWisconsin
Coordinates42.82683, -88.35508
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.8 US tons
Inventory rating28.5 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length339 ft (103.3 m)
Longest span168 ft (51.2 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2022)
Projected traffic1,100 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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 Lrd Miramar RD over IH 43 built?

It was built in 1971, making it 54 years old in 2025.

What condition is Lrd Miramar RD over IH 43 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 Lrd Miramar RD over IH 43 carry?

About 1,100 vehicles per day (2022 count).

How long is Lrd Miramar RD over IH 43?

The structure is 339 ft (103.3 m) long with a longest span of 168 ft (51.2 m) and a deck 40 ft wide.

Who owns Lrd Miramar RD over IH 43?

It is owned by the State Highway Agency.