US Bridges

Lrd 170 TH St. over Girards Creek

Good

St. Croix County, Wisconsin · 1.6M N JCT Ush 12 · Structure no. B55013100000000

Built
1992
33 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete
Length
34 ft
1 main span
Daily traffic
250
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd 170 TH St. over Girards Creek is a concrete slab carrying Lrd 170 TH St. over Girards Creek in St. Croix County, Wisconsin. It was built in 1992, so it is 33 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 250 vehicles a day, projected to reach 231 by 2043. The structure is 34 ft (10.4 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLrd 170 TH St.
CrossesGirards Creek
Location1.6M N JCT Ush 12
RouteCity Street 0
Coordinates45.01473, -92.4566
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.6 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2022)
Projected traffic231 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Lrd 170 TH St. over Girards Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Lrd 170 TH St. over Girards 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 November 2024.

How much traffic does Lrd 170 TH St. over Girards Creek carry?

About 250 vehicles per day (2022 count).

How long is Lrd 170 TH St. over Girards Creek?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 26 ft wide.

Who owns Lrd 170 TH St. over Girards Creek?

It is owned by the Town or Township Highway Agency.