US Bridges

IH 43 over Br Little Turtle Creek

Fair

Walworth County, Wisconsin · 2.0 MI S JCT Sth 14 · Structure no. B64014200000000

Built
1976
49 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
62 ft
4 main spans
Daily traffic
18,000
2022 count
Owner
State
State Highway Agency

About this bridge

IH 43 over Br Little Turtle Creek is a concrete continuous culvert carrying IH 43 over Br Little Turtle Creek in Walworth County, Wisconsin. It was built in 1976, so it is 49 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 5 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 18,000 vehicles a day, roughly 19% of them trucks, projected to reach 21,600 by 2042. The structure is 62 ft (18.9 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesIH 43
CrossesBr Little Turtle Creek
Location2.0 MI S JCT Sth 14
RouteInterstate 43
Coordinates42.58922, -88.75289
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,000 (2022)
Projected traffic21,600 by 2042
Trucks19%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 43 over Br Little Turtle Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is IH 43 over Br Little Turtle Creek 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 August 2024.

How much traffic does IH 43 over Br Little Turtle Creek carry?

About 18,000 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is IH 43 over Br Little Turtle Creek?

The structure is 62 ft (18.9 m) long with a longest span of 10 ft (3 m).

Who owns IH 43 over Br Little Turtle Creek?

It is owned by the State Highway Agency.