US Bridges

Cth Jj|manitowoc R over IH-43

Fair

Brown County, Wisconsin · 1.4M E JCT Sth 29 · Structure no. B05019800000000

Built
1981
44 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
307 ft
2 main spans
Daily traffic
16,900
2022 count
Owner
State
State Highway Agency

About this bridge

Cth Jj|manitowoc R over IH-43 is a steel continuous stringer/multi-beam or girder carrying Cth Jj|manitowoc R over IH-43 in Brown County, Wisconsin. It was built in 1981, so it is 44 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 16,900 vehicles a day, projected to reach 13,440 by 2043. The structure is 307 ft (93.6 m) long and 80 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCth Jj|manitowoc R
CrossesIH-43
Location1.4M E JCT Sth 29
RouteCounty Highway 0JJ
Coordinates44.46785, -87.95257
Functional classUrban 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 inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.9 US tons
Inventory rating42.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length307 ft (93.6 m)
Longest span157 ft (47.9 m)
Deck width80 ft (24.5 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,900 (2022)
Projected traffic13,440 by 2043
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 Cth Jj|manitowoc R over IH-43 built?

It was built in 1981, making it 44 years old in 2025.

What condition is Cth Jj|manitowoc R 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 May 2024.

How much traffic does Cth Jj|manitowoc R over IH-43 carry?

About 16,900 vehicles per day (2022 count).

How long is Cth Jj|manitowoc R over IH-43?

The structure is 307 ft (93.6 m) long with a longest span of 157 ft (47.9 m) and a deck 80 ft wide.

Who owns Cth Jj|manitowoc R over IH-43?

It is owned by the State Highway Agency.