US Bridges

Sth 27 over Big Drywood Creek

Good

Chippewa County, Wisconsin · 3.4M N JCT Cth O · Structure no. B09012700000000

Built
1987
38 years old, rebuilt 2022
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
3,600
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 27 over Big Drywood Creek is a prestressed concrete stringer/multi-beam or girder carrying Sth 27 over Big Drywood Creek in Chippewa County, Wisconsin. It was built in 1987 and reconstructed in 2022, 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 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 3,600 vehicles a day, roughly 7% of them trucks, projected to reach 4,200 by 2042. The structure is 77 ft (23.6 m) long and 43 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesSth 27
CrossesBig Drywood Creek
Location3.4M N JCT Cth O
RouteState Highway 27
Coordinates45.02288, -91.14634
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
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 rating86.4 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length77 ft (23.6 m)
Longest span75 ft (22.9 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2022)
Projected traffic4,200 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 27 over Big Drywood Creek built?

It was built in 1987, making it 38 years old in 2025. It was reconstructed in 2022.

What condition is Sth 27 over Big Drywood Creek 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 May 2023.

How much traffic does Sth 27 over Big Drywood Creek carry?

About 3,600 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Sth 27 over Big Drywood Creek?

The structure is 77 ft (23.6 m) long with a longest span of 75 ft (22.9 m) and a deck 43 ft wide.

Who owns Sth 27 over Big Drywood Creek?

It is owned by the State Highway Agency.