US Bridges

Lrd 170th Ave over Hutton Creek

Good

St. Croix County, Wisconsin · 0.4M E JCT Cth O · Structure no. P55094400000000

Built
1977
48 years old
Condition
Good
inspected October 2024
Type
Slab
Wood or Timber
Length
48 ft
2 main spans
Daily traffic
152
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd 170th Ave over Hutton Creek is a wood or timber slab carrying Lrd 170th Ave over Hutton Creek in St. Croix County, Wisconsin. It was built in 1977, so it is 48 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 152 vehicles a day, projected to reach 167 by 2043. The structure is 48 ft (14.6 m) long and 28 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesLrd 170th Ave
CrossesHutton Creek
Location0.4M E JCT Cth O
RouteCity Street 0
Coordinates45.1063, -92.33053
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 rating71.7 US tons
Inventory rating51.8 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 15
Structure length48 ft (14.6 m)
Longest span24 ft (7.2 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic152 (2022)
Projected traffic167 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 170th Ave over Hutton Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Lrd 170th Ave over Hutton 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 October 2024.

How much traffic does Lrd 170th Ave over Hutton Creek carry?

About 152 vehicles per day (2022 count).

How long is Lrd 170th Ave over Hutton Creek?

The structure is 48 ft (14.6 m) long with a longest span of 24 ft (7.2 m) and a deck 28 ft wide.

Who owns Lrd 170th Ave over Hutton Creek?

It is owned by the Town or Township Highway Agency.