US Bridges

Sth 64 over Bolen Creek

Fair

Dunn County, Wisconsin · 0.2M E JCT Cth Q · Structure no. B17017700000000

Built
2003
22 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
49 ft
1 main span
Daily traffic
1,600
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 64 over Bolen Creek is a concrete slab carrying Sth 64 over Bolen Creek in Dunn County, Wisconsin. It was built in 2003, so it is 22 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 1,600 vehicles a day, roughly 10% of them trucks, projected to reach 1,920 by 2043. The structure is 49 ft (14.8 m) long and 38 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesSth 64
CrossesBolen Creek
Location0.2M E JCT Cth Q
RouteState Highway 64
Coordinates45.13443, -92.11539
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating64.8 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length49 ft (14.8 m)
Longest span46 ft (14 m)
Deck width38 ft (11.5 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2022)
Projected traffic1,920 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 64 over Bolen Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Sth 64 over Bolen 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 August 2024.

How much traffic does Sth 64 over Bolen Creek carry?

About 1,600 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Sth 64 over Bolen Creek?

The structure is 49 ft (14.8 m) long with a longest span of 46 ft (14 m) and a deck 38 ft wide.

Who owns Sth 64 over Bolen Creek?

It is owned by the State Highway Agency.