US Bridges

Sth 97 over Sth 29 EB

Good

Marathon County, Wisconsin · 3.0M N JCT Cth N · Structure no. B37028700000000

Built
1999
26 years old
Condition
Good
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
214 ft
2 main spans
Daily traffic
3,400
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 97 over Sth 29 EB is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 97 over Sth 29 EB in Marathon County, Wisconsin. It was built in 1999, so it is 26 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 3,400 vehicles a day, projected to reach 3,400 by 2041. The structure is 214 ft (65.2 m) long and 53 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSth 97
CrossesSth 29 EB
Location3.0M N JCT Cth N
RouteState Highway 97
Coordinates44.94493, -90.07911
Functional classRural Minor Arterial

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 inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length214 ft (65.2 m)
Longest span105 ft (32 m)
Deck width53 ft (16.1 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2022)
Projected traffic3,400 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

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 97 over Sth 29 EB built?

It was built in 1999, making it 26 years old in 2025.

What condition is Sth 97 over Sth 29 EB 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 September 2022.

How much traffic does Sth 97 over Sth 29 EB carry?

About 3,400 vehicles per day (2022 count).

How long is Sth 97 over Sth 29 EB?

The structure is 214 ft (65.2 m) long with a longest span of 105 ft (32 m) and a deck 53 ft wide.

Who owns Sth 97 over Sth 29 EB?

It is owned by the State Highway Agency.