US Bridges

Sth 172 WB over East River

Good

Brown County, Wisconsin · 0.2M W JCT Cth Xx · Structure no. B05017500000000

Built
1982
43 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
349 ft
4 main spans
Daily traffic
42,350
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 172 WB over East River is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 172 WB over East River in Brown County, Wisconsin. It was built in 1982, so it is 43 years old, older 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 42,350 vehicles a day, roughly 1% of them trucks, projected to reach 84,000 by 2043. The structure is 349 ft (106.3 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSth 172 WB
CrossesEast River
Location0.2M W JCT Cth Xx
RouteState Highway 172
Coordinates44.46213, -88.00932
Functional classUrban Other Principal 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.8 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length349 ft (106.3 m)
Longest span87 ft (26.4 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,350 (2022)
Projected traffic84,000 by 2043
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 172 WB over East River built?

It was built in 1982, making it 43 years old in 2025.

What condition is Sth 172 WB over East River 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 2024.

How much traffic does Sth 172 WB over East River carry?

About 42,350 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Sth 172 WB over East River?

The structure is 349 ft (106.3 m) long with a longest span of 87 ft (26.4 m) and a deck 43 ft wide.

Who owns Sth 172 WB over East River?

It is owned by the State Highway Agency.