US Bridges

Sth 33 over E Br Rock River

Good

Washington County, Wisconsin · 1.47M E JCT Sth 175 · Structure no. B66010600000000

Built
1994
31 years old
Condition
Good
inspected June 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
12,100
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 33 over E Br Rock River is a prestressed concrete stringer/multi-beam or girder carrying Sth 33 over E Br Rock River in Washington 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 12,100 vehicles a day, roughly 9% of them trucks, projected to reach 8,340 by 2040. The structure is 69 ft (20.9 m) long and 64 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSth 33
CrossesE Br Rock River
Location1.47M E JCT Sth 175
RouteState Highway 33
Coordinates43.42054, -88.34665
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal 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
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length69 ft (20.9 m)
Longest span65 ft (19.8 m)
Deck width64 ft (19.5 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,100 (2022)
Projected traffic8,340 by 2040
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 33 over E Br Rock River built?

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

What condition is Sth 33 over E Br Rock 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 June 2021.

How much traffic does Sth 33 over E Br Rock River carry?

About 12,100 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Sth 33 over E Br Rock River?

The structure is 69 ft (20.9 m) long with a longest span of 65 ft (19.8 m) and a deck 64 ft wide.

Who owns Sth 33 over E Br Rock River?

It is owned by the State Highway Agency.