US Bridges

STH93NB over Willow Creek

Good

Eau Claire County, Wisconsin · 3.7 Mi. North of Cth "hh" · Structure no. B18019600000000

Built
2006
19 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
5,250
2021 count
Owner
State
State Highway Agency

About this bridge

STH93NB over Willow Creek is a prestressed concrete stringer/multi-beam or girder carrying STH93NB over Willow Creek in Eau Claire County, Wisconsin. It was built in 2006, so it is 19 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 5,250 vehicles a day, projected to reach 6,300 by 2041. The structure is 92 ft (28 m) long and 52 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSTH93NB
CrossesWillow Creek
Location3.7 Mi. North of Cth "hh"
RouteState Highway 93
Coordinates44.73644, -91.44722
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 inspectionJuly 2023
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 rating90.4 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length92 ft (28 m)
Longest span88 ft (26.8 m)
Deck width52 ft (15.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,250 (2021)
Projected traffic6,300 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-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 STH93NB over Willow Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is STH93NB over Willow 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 July 2023.

How much traffic does STH93NB over Willow Creek carry?

About 5,250 vehicles per day (2021 count).

How long is STH93NB over Willow Creek?

The structure is 92 ft (28 m) long with a longest span of 88 ft (26.8 m) and a deck 52 ft wide.

Who owns STH93NB over Willow Creek?

It is owned by the State Highway Agency.