US Bridges

Sth 27 over Cannon Valley CR

Good

Monroe County, Wisconsin · 1.0M S JCT Cth J · Structure no. B41025600000000

Built
2005
20 years old
Condition
Good
inspected September 2022
Type
Slab
Concrete
Length
49 ft
1 main span
Daily traffic
4,600
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 27 over Cannon Valley CR is a concrete slab carrying Sth 27 over Cannon Valley CR in Monroe County, Wisconsin. It was built in 2005, so it is 20 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,600 vehicles a day, projected to reach 5,520 by 2041. The structure is 49 ft (14.8 m) long and 46 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesSth 27
CrossesCannon Valley CR
Location1.0M S JCT Cth J
RouteState Highway 27
Coordinates43.845, -90.79167
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2022
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 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 width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,600 (2021)
Projected traffic5,520 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 27 over Cannon Valley CR built?

It was built in 2005, making it 20 years old in 2025.

What condition is Sth 27 over Cannon Valley 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 2022.

How much traffic does Sth 27 over Cannon Valley CR carry?

About 4,600 vehicles per day (2021 count).

How long is Sth 27 over Cannon Valley CR?

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

Who owns Sth 27 over Cannon Valley CR?

It is owned by the State Highway Agency.