US Bridges

Sth 29 over Wcl

Good

Marathon County, Wisconsin · 1.2M E of Ush 51N · Structure no. B37035700000000

Built
2008
17 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
182 ft
3 main spans
Daily traffic
7,400
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 29 over Wcl is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 29 over Wcl in Marathon County, Wisconsin. It was built in 2008, so it is 17 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,400 vehicles a day, roughly 8% of them trucks, projected to reach 10,800 by 2043. The structure is 182 ft (55.4 m) long and 43 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSth 29
CrossesWcl
Location1.2M E of Ush 51N
RouteState Highway 29
Coordinates44.95317, -89.66953
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.5 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length182 ft (55.4 m)
Longest span71 ft (21.6 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,400 (2022)
Projected traffic10,800 by 2043
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed19.9 mi (32 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 over Wcl built?

It was built in 2008, making it 17 years old in 2025.

What condition is Sth 29 over Wcl in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Sth 29 over Wcl carry?

About 7,400 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Sth 29 over Wcl?

The structure is 182 ft (55.4 m) long with a longest span of 71 ft (21.6 m) and a deck 43 ft wide.

Who owns Sth 29 over Wcl?

It is owned by the State Highway Agency.