US Bridges

Cth Ok over Sylvester Creek

Fair

Green County, Wisconsin · 0.6M S JCT Cth Ss · Structure no. B23007000000000

Built
1988
37 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
56 ft
2 main spans
Daily traffic
305
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Ok over Sylvester Creek is a concrete continuous slab carrying Cth Ok over Sylvester Creek in Green 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 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 305 vehicles a day, projected to reach 335 by 2043. The structure is 56 ft (17.1 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCth Ok
CrossesSylvester Creek
Location0.6M S JCT Cth Ss
RouteCounty Highway 0OK
CountyGreen County
StateWisconsin
Coordinates42.61592, -89.46056
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating61.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span27 ft (8.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic305 (2022)
Projected traffic335 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Ok over Sylvester Creek built?

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

What condition is Cth Ok over Sylvester 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 May 2024.

How much traffic does Cth Ok over Sylvester Creek carry?

About 305 vehicles per day (2022 count).

How long is Cth Ok over Sylvester Creek?

The structure is 56 ft (17.1 m) long with a longest span of 27 ft (8.2 m) and a deck 26 ft wide.

Who owns Cth Ok over Sylvester Creek?

It is owned by the County Highway Agency.