US Bridges

Cth S over Big Drywood Creek

Fair

Chippewa County, Wisconsin · 0.7 M E 270th Street · Structure no. B09013200000000

Built
1988
37 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
58 ft
2 main spans
Daily traffic
255
2023 count
Owner
County
County Highway Agency

About this bridge

Cth S over Big Drywood Creek is a concrete continuous slab carrying Cth S over Big Drywood Creek in Chippewa County, Wisconsin. It was built in 1988, so it is 37 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 5 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 255 vehicles a day, projected to reach 256 by 2042. The structure is 58 ft (17.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCth S
CrossesBig Drywood Creek
Location0.7 M E 270th Street
RouteCounty Highway 0S
Coordinates45.04569, -91.11228
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating61.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length58 ft (17.6 m)
Longest span28 ft (8.5 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic255 (2023)
Projected traffic256 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Cth S over Big Drywood Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Cth S over Big Drywood 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 November 2023.

How much traffic does Cth S over Big Drywood Creek carry?

About 255 vehicles per day (2023 count).

How long is Cth S over Big Drywood Creek?

The structure is 58 ft (17.6 m) long with a longest span of 28 ft (8.5 m) and a deck 28 ft wide.

Who owns Cth S over Big Drywood Creek?

It is owned by the County Highway Agency.