US Bridges

STH29EB to Ush 51N over Sth 29

Good

Marathon County, Wisconsin · 2.5M E JCT 72 Ave · Structure no. B37036200010000

Built
2010
15 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
2,090 ft
15 main spans
Daily traffic
3,000
2023 count
Owner
State
State Highway Agency

About this bridge

STH29EB to Ush 51N over Sth 29 is a prestressed concrete continuous stringer/multi-beam or girder carrying STH29EB to Ush 51N over Sth 29 in Marathon County, Wisconsin. It was built in 2010, so it is 15 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 3,000 vehicles a day, roughly 5% of them trucks, projected to reach 3,300 by 2043. The structure is 2,090 ft (637.1 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSTH29EB to Ush 51N
CrossesSth 29
Location2.5M E JCT 72 Ave
RouteState Highway 29
CountyMarathon County
StateWisconsin
Coordinates44.95333, -89.67519
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating104.4 US tons
Inventory rating59 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans15
Design loadHS 25 or greater
Structure length2,090 ft (637.1 m)
Longest span142 ft (43.3 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2023)
Projected traffic3,300 by 2043
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$11.9 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was STH29EB to Ush 51N over Sth 29 built?

It was built in 2010, making it 15 years old in 2025.

What condition is STH29EB to Ush 51N over Sth 29 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 STH29EB to Ush 51N over Sth 29 carry?

About 3,000 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is STH29EB to Ush 51N over Sth 29?

The structure is 2,090 ft (637.1 m) long with a longest span of 142 ft (43.3 m) and a deck 30 ft wide.

Who owns STH29EB to Ush 51N over Sth 29?

It is owned by the State Highway Agency.