US Bridges

Sth 35 over Chipmunk Coulee Creek

Fair

Vernon County, Wisconsin · 4.4M N JCT Sth 162 · Structure no. B62008000000000

Built
1987
38 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
6,300
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 35 over Chipmunk Coulee Creek is a prestressed concrete stringer/multi-beam or girder carrying Sth 35 over Chipmunk Coulee Creek in Vernon County, Wisconsin. It was built in 1987, so it is 38 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,300 vehicles a day, roughly 9% of them trucks, projected to reach 9,240 by 2043. The structure is 64 ft (19.5 m) long and 47 ft wide. If it were closed, the detour would be 15.5 mi (25 km).

CarriesSth 35
CrossesChipmunk Coulee Creek
Location4.4M N JCT Sth 162
RouteState Highway 35
Coordinates43.72, -91.20167
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.9 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span62 ft (18.9 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,300 (2022)
Projected traffic9,240 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed15.5 mi (25 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 Sth 35 over Chipmunk Coulee Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Sth 35 over Chipmunk Coulee Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does Sth 35 over Chipmunk Coulee Creek carry?

About 6,300 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Sth 35 over Chipmunk Coulee Creek?

The structure is 64 ft (19.5 m) long with a longest span of 62 ft (18.9 m) and a deck 47 ft wide.

Who owns Sth 35 over Chipmunk Coulee Creek?

It is owned by the State Highway Agency.