US Bridges

Lrd 43rd ST over Root River

Poor

Racine County, Wisconsin · 1.7M N JCT Cth G · Structure no. P51004400000000

Built
1967
58 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
185 ft
3 main spans
Daily traffic
1,762
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd 43rd ST over Root River is a steel continuous stringer/multi-beam or girder carrying Lrd 43rd ST over Root River in Racine County, Wisconsin. It was built in 1967, so it is 58 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,762 vehicles a day, projected to reach 1,938 by 2043. The structure is 185 ft (56.4 m) long and 26 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesLrd 43rd ST
CrossesRoot River
Location1.7M N JCT Cth G
RouteCity Street 0
Coordinates42.83889, -87.97194
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.8 US tons
Inventory rating16.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length185 ft (56.4 m)
Longest span70 ft (21.2 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,762 (2022)
Projected traffic1,938 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$972,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd 43rd ST over Root River built?

It was built in 1967, making it 58 years old in 2025.

What condition is Lrd 43rd ST over Root River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Lrd 43rd ST over Root River carry?

About 1,762 vehicles per day (2022 count).

How long is Lrd 43rd ST over Root River?

The structure is 185 ft (56.4 m) long with a longest span of 70 ft (21.2 m) and a deck 26 ft wide.

Who owns Lrd 43rd ST over Root River?

It is owned by the City or Municipal Highway Agency.