US Bridges

Cth C over Sth 29

Fair

Shawano County, Wisconsin · 1.0M N JCT Cth S · Structure no. B58006400000000

Built
1995
30 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
232 ft
2 main spans
Daily traffic
1,300
2022 count
Owner
State
State Highway Agency

About this bridge

Cth C over Sth 29 is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth C over Sth 29 in Shawano County, Wisconsin. It was built in 1995, so it is 30 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 1,300 vehicles a day, projected to reach 875 by 2043. The structure is 232 ft (70.7 m) long and 31 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesCth C
CrossesSth 29
Location1.0M N JCT Cth S
RouteCounty Highway 0C
Coordinates44.68874, -88.32379
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length232 ft (70.7 m)
Longest span114 ft (34.7 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2022)
Projected traffic875 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cth C over Sth 29 built?

It was built in 1995, making it 30 years old in 2025.

What condition is Cth C over Sth 29 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 August 2024.

How much traffic does Cth C over Sth 29 carry?

About 1,300 vehicles per day (2022 count).

How long is Cth C over Sth 29?

The structure is 232 ft (70.7 m) long with a longest span of 114 ft (34.7 m) and a deck 31 ft wide.

Who owns Cth C over Sth 29?

It is owned by the State Highway Agency.