US Bridges

Cth T over Seven Mile Creek

FairPosted for load

Fond du Lac County, Wisconsin · 0.8M W JCT Cth Y · Structure no. B20068700000000

Built
1930
95 years old, rebuilt 1976
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
36 ft
1 main span
Daily traffic
510
2021 count
Owner
County
County Highway Agency

About this bridge

Cth T over Seven Mile Creek is a concrete stringer/multi-beam or girder carrying Cth T over Seven Mile Creek in Fond du Lac County, Wisconsin. It was built in 1930 and reconstructed in 1976, so it is 95 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.

It carries about 510 vehicles a day, projected to reach 612 by 2041. The structure is 36 ft (11 m) long and 36 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCth T
CrossesSeven Mile Creek
Location0.8M W JCT Cth Y
RouteCounty Highway 0T
Coordinates43.76116, -88.58821
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
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating23.3 US tons

Structure

MaterialConcrete
DeckWood or timber
Main spans1
Design loadH 20
Structure length36 ft (11 m)
Longest span34 ft (10.3 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2021)
Projected traffic612 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 T over Seven Mile Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1976.

What condition is Cth T over Seven Mile 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 October 2023.

How much traffic does Cth T over Seven Mile Creek carry?

About 510 vehicles per day (2021 count).

How long is Cth T over Seven Mile Creek?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.3 m) and a deck 36 ft wide.

Who owns Cth T over Seven Mile Creek?

It is owned by the County Highway Agency.