US Bridges

Sth 64 over Peshtigo Brook

Good

Oconto County, Wisconsin · 7.4M E JCT Sth 32 to S · Structure no. B42005600000000

Built
1994
31 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
1,400
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 64 over Peshtigo Brook is a prestressed concrete stringer/multi-beam or girder carrying Sth 64 over Peshtigo Brook in Oconto County, Wisconsin. It was built in 1994, so it is 31 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 1,400 vehicles a day, roughly 12% of them trucks, projected to reach 1,510 by 2042. The structure is 80 ft (24.3 m) long and 38 ft wide. If it were closed, the detour would be 97.6 mi (157 km).

CarriesSth 64
CrossesPeshtigo Brook
Location7.4M E JCT Sth 32 to S
RouteState Highway 64
Coordinates45.11324, -88.27886
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.5 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length80 ft (24.3 m)
Longest span78 ft (23.8 m)
Deck width38 ft (11.5 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2021)
Projected traffic1,510 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed97.6 mi (157 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 64 over Peshtigo Brook built?

It was built in 1994, making it 31 years old in 2025.

What condition is Sth 64 over Peshtigo Brook 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 March 2023.

How much traffic does Sth 64 over Peshtigo Brook carry?

About 1,400 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is Sth 64 over Peshtigo Brook?

The structure is 80 ft (24.3 m) long with a longest span of 78 ft (23.8 m) and a deck 38 ft wide.

Who owns Sth 64 over Peshtigo Brook?

It is owned by the State Highway Agency.