US Bridges

Sth 85 over Cranberry Creek

Good

Dunn County, Wisconsin · 1.6M E JCT Cth O · Structure no. B17020500000000

Built
2010
15 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
118 ft
1 main span
Daily traffic
2,800
2023 count
Owner
State
State Highway Agency

About this bridge

Sth 85 over Cranberry Creek is a prestressed concrete stringer/multi-beam or girder carrying Sth 85 over Cranberry Creek in Dunn County, Wisconsin. It was built in 2010, so it is 15 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 2,800 vehicles a day, projected to reach 3,480 by 2043. The structure is 118 ft (35.9 m) long and 47 ft wide. If it were closed, the detour would be 56.5 mi (91 km).

CarriesSth 85
CrossesCranberry Creek
Location1.6M E JCT Cth O
RouteState Highway 85
Coordinates44.70542, -91.76416
Functional classRural Minor 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length118 ft (35.9 m)
Longest span114 ft (34.7 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2023)
Projected traffic3,480 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed56.5 mi (91 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 85 over Cranberry Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Sth 85 over Cranberry 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 August 2024.

How much traffic does Sth 85 over Cranberry Creek carry?

About 2,800 vehicles per day (2023 count).

How long is Sth 85 over Cranberry Creek?

The structure is 118 ft (35.9 m) long with a longest span of 114 ft (34.7 m) and a deck 47 ft wide.

Who owns Sth 85 over Cranberry Creek?

It is owned by the State Highway Agency.