US Bridges

Sth 85 over Br Chippewa River

Poor

Dunn County, Wisconsin · 0.2M E JCT Cth H to N · Structure no. B17013100000000

Built
1992
33 years old
Condition
Poor
inspected August 2024
Type
Culvert
Steel
Length
28 ft
2 main spans
Daily traffic
2,800
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 85 over Br Chippewa River is a steel culvert carrying Sth 85 over Br Chippewa River in Dunn 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,800 vehicles a day, roughly 7% of them trucks, projected to reach 3,360 by 2041. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 56.5 mi (91 km).

Location

Open in Google Maps
CarriesSth 85
CrossesBr Chippewa River
Location0.2M E JCT Cth H to N
RouteState Highway 85
CountyDunn County
StateWisconsin
Coordinates44.75596, -91.66897
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckCorrugated steel
Main spans2
Design loadHS 20
Structure length28 ft (8.4 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2021)
Projected traffic3,360 by 2041
Trucks7%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$240,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 85 over Br Chippewa River built?

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

What condition is Sth 85 over Br Chippewa River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Sth 85 over Br Chippewa River carry?

About 2,800 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Sth 85 over Br Chippewa River?

The structure is 28 ft (8.4 m) long with a longest span of 11 ft (3.3 m).

Who owns Sth 85 over Br Chippewa River?

It is owned by the State Highway Agency.