US Bridges

Sth 29 WB over Sth 32

Fair

Brown County, Wisconsin · 1.6M W JCT Cth U · Structure no. B05022900000000

Built
1988
37 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
159 ft
2 main spans
Daily traffic
7,950
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 29 WB over Sth 32 is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 29 WB over Sth 32 in Brown County, Wisconsin. It was built in 1988, so it is 37 years old, younger 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 7,950 vehicles a day, roughly 8% of them trucks, projected to reach 17,125 by 2042. The structure is 159 ft (48.5 m) long and 43 ft wide.

CarriesSth 29 WB
CrossesSth 32
Location1.6M W JCT Cth U
RouteState Highway 29
Coordinates44.5972, -88.22024
Functional classRural Principal Arterial - Other

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.1 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length159 ft (48.5 m)
Longest span78 ft (23.9 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,950 (2021)
Projected traffic17,125 by 2042
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Sth 29 WB over Sth 32 built?

It was built in 1988, making it 37 years old in 2025.

What condition is Sth 29 WB over Sth 32 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 Sth 29 WB over Sth 32 carry?

About 7,950 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Sth 29 WB over Sth 32?

The structure is 159 ft (48.5 m) long with a longest span of 78 ft (23.9 m) and a deck 43 ft wide.

Who owns Sth 29 WB over Sth 32?

It is owned by the State Highway Agency.