US Bridges

Sth 175 over Limestone Creek

Good

Washington County, Wisconsin · 1.2M N JCT Sth 83 · Structure no. B66002700000000

Built
1991
34 years old
Condition
Good
inspected May 2021
Type
Slab
Concrete
Length
37 ft
1 main span
Daily traffic
2,400
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 175 over Limestone Creek is a concrete slab carrying Sth 175 over Limestone Creek in Washington County, Wisconsin. It was built in 1991, so it is 34 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 2,400 vehicles a day, roughly 8% of them trucks, projected to reach 3,040 by 2040. The structure is 37 ft (11.2 m) long and 36 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSth 175
CrossesLimestone Creek
Location1.2M N JCT Sth 83
RouteState Highway 175
Coordinates43.40079, -88.36409
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length37 ft (11.2 m)
Longest span35 ft (10.7 m)
Deck width36 ft (10.9 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2022)
Projected traffic3,040 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 175 over Limestone Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Sth 175 over Limestone Creek 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 May 2021.

How much traffic does Sth 175 over Limestone Creek carry?

About 2,400 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Sth 175 over Limestone Creek?

The structure is 37 ft (11.2 m) long with a longest span of 35 ft (10.7 m) and a deck 36 ft wide.

Who owns Sth 175 over Limestone Creek?

It is owned by the State Highway Agency.