US Bridges

Sth 66 over Flume CR

Good

Portage County, Wisconsin · 1.0M E Cth I · Structure no. B49013200000000

Built
2006
19 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
3,100
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 66 over Flume CR is a concrete slab carrying Sth 66 over Flume CR in Portage 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 3,100 vehicles a day, roughly 8% of them trucks, projected to reach 4,325 by 2042. The structure is 32 ft (9.9 m) long and 44 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesSth 66
CrossesFlume CR
Location1.0M E Cth I
RouteState Highway 66
CountyPortage County
StateWisconsin
Coordinates44.62775, -89.30449
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 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 rating75.6 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.9 m)
Longest span30 ft (9.1 m)
Deck width44 ft (13.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2022)
Projected traffic4,325 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 66 over Flume CR built?

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

What condition is Sth 66 over Flume CR 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 September 2023.

How much traffic does Sth 66 over Flume CR carry?

About 3,100 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Sth 66 over Flume CR?

The structure is 32 ft (9.9 m) long with a longest span of 30 ft (9.1 m) and a deck 44 ft wide.

Who owns Sth 66 over Flume CR?

It is owned by the State Highway Agency.