US Bridges

Cth D over IH 43

Fair

Walworth County, Wisconsin · 0.9 MI E JCT Cth Es · Structure no. B64009600000000

Built
1972
53 years old, rebuilt 2011
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
382 ft
2 main spans
Daily traffic
1,900
2022 count
Owner
State
State Highway Agency

About this bridge

Cth D over IH 43 is a steel continuous stringer/multi-beam or girder carrying Cth D over IH 43 in Walworth County, Wisconsin. It was built in 1972 and reconstructed in 2011, so it is 53 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 1,900 vehicles a day, projected to reach 1,900 by 2042. The structure is 382 ft (116.3 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCth D
CrossesIH 43
Location0.9 MI E JCT Cth Es
RouteCounty Highway 0D
Coordinates42.74218, -88.45287
Functional classRural Major Collector

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.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length382 ft (116.3 m)
Longest span189 ft (57.5 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2022)
Projected traffic1,900 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 Cth D over IH 43 built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2011.

What condition is Cth D 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 October 2023.

How much traffic does Cth D over IH 43 carry?

About 1,900 vehicles per day (2022 count).

How long is Cth D over IH 43?

The structure is 382 ft (116.3 m) long with a longest span of 189 ft (57.5 m) and a deck 40 ft wide.

Who owns Cth D over IH 43?

It is owned by the State Highway Agency.