US Bridges

Ush 141-STH 29 over IH 43

Fair

Brown County, Wisconsin · 2.6M N JCT Sth 29 to E · Structure no. B05019600000000

Built
1980
45 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
257 ft
2 main spans
Daily traffic
6,700
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 141-STH 29 over IH 43 is a steel continuous stringer/multi-beam or girder carrying Ush 141-STH 29 over IH 43 in Brown County, Wisconsin. It was built in 1980, so it is 45 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 6,700 vehicles a day, roughly 3% of them trucks, projected to reach 11,880 by 2043. The structure is 257 ft (78.4 m) long and 47 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesUsh 141-STH 29
CrossesIH 43
Location2.6M N JCT Sth 29 to E
RouteU.S. Route 141
Coordinates44.46447, -87.95658
Functional classUrban Other Principal Arterial

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 inspectionAugust 2024
Inspection intervalevery 48 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 rating71.7 US tons
Inventory rating42.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length257 ft (78.4 m)
Longest span127 ft (38.6 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,700 (2022)
Projected traffic11,880 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed14.9 mi (24 km)
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 Ush 141-STH 29 over IH 43 built?

It was built in 1980, making it 45 years old in 2025.

What condition is Ush 141-STH 29 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 August 2024.

How much traffic does Ush 141-STH 29 over IH 43 carry?

About 6,700 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Ush 141-STH 29 over IH 43?

The structure is 257 ft (78.4 m) long with a longest span of 127 ft (38.6 m) and a deck 47 ft wide.

Who owns Ush 141-STH 29 over IH 43?

It is owned by the State Highway Agency.