US Bridges

Sth 29 EB over Ush 51

Fair

Marathon County, Wisconsin · 1.05M S JCT Cth N · Structure no. B37033900000000

Built
2006
19 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
415 ft
4 main spans
Daily traffic
19,000
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 29 EB over Ush 51 is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 29 EB over Ush 51 in Marathon County, Wisconsin. It was built in 2006, so it is 19 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 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 19,000 vehicles a day, projected to reach 25,100 by 2043. The structure is 415 ft (126.6 m) long and 47 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSth 29 EB
CrossesUsh 51
Location1.05M S JCT Cth N
RouteState Highway 29
Coordinates44.89719, -89.64106
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 rating71.7 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length415 ft (126.6 m)
Longest span127 ft (38.7 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,000 (2022)
Projected traffic25,100 by 2043
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 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 Sth 29 EB over Ush 51 built?

It was built in 2006, making it 19 years old in 2025.

What condition is Sth 29 EB over Ush 51 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 June 2024.

How much traffic does Sth 29 EB over Ush 51 carry?

About 19,000 vehicles per day (2022 count).

How long is Sth 29 EB over Ush 51?

The structure is 415 ft (126.6 m) long with a longest span of 127 ft (38.7 m) and a deck 47 ft wide.

Who owns Sth 29 EB over Ush 51?

It is owned by the State Highway Agency.