US Bridges

Cth S over Scotch Creek

Fair

Marathon County, Wisconsin · 1.0M S JCT Sth 29 · Structure no. P37025600000000

Built
1928
97 years old, rebuilt 1967
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
70 ft
2 main spans
Daily traffic
570
2023 count
Owner
County
County Highway Agency

About this bridge

Cth S over Scotch Creek is a concrete slab carrying Cth S over Scotch Creek in Marathon County, Wisconsin. It was built in 1928 and reconstructed in 1967, so it is 97 years old, older 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 570 vehicles a day, projected to reach 822 by 2042. The structure is 70 ft (21.3 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCth S
CrossesScotch Creek
Location1.0M S JCT Sth 29
RouteCounty Highway 0S
Coordinates44.93074, -89.90564
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 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 rating90.4 US tons
Inventory rating53.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span34 ft (10.4 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic570 (2023)
Projected traffic822 by 2042
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 S over Scotch Creek built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1967.

What condition is Cth S over Scotch 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 September 2023.

How much traffic does Cth S over Scotch Creek carry?

About 570 vehicles per day (2023 count).

How long is Cth S over Scotch Creek?

The structure is 70 ft (21.3 m) long with a longest span of 34 ft (10.4 m) and a deck 30 ft wide.

Who owns Cth S over Scotch Creek?

It is owned by the County Highway Agency.