US Bridges

Cth M over Sth 29

Fair

Shawano County, Wisconsin · Town of Richmond · Structure no. B58006900000000

Built
1996
29 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
211 ft
2 main spans
Daily traffic
1,100
2022 count
Owner
State
State Highway Agency

About this bridge

Cth M over Sth 29 is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth M over Sth 29 in Shawano County, Wisconsin. It was built in 1996, so it is 29 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 1,100 vehicles a day, roughly 8% of them trucks, projected to reach 1,320 by 2042. The structure is 211 ft (64.2 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCth M
CrossesSth 29
LocationTown of Richmond
RouteCounty Highway 0M
CountyShawano County
StateWisconsin
Coordinates44.76904, -88.63478
Functional classRural Major 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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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 rating77.4 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length211 ft (64.2 m)
Longest span106 ft (32.3 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2022)
Projected traffic1,320 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 M over Sth 29 built?

It was built in 1996, making it 29 years old in 2025.

What condition is Cth M 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 October 2024.

How much traffic does Cth M over Sth 29 carry?

About 1,100 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Cth M over Sth 29?

The structure is 211 ft (64.2 m) long with a longest span of 106 ft (32.3 m) and a deck 35 ft wide.

Who owns Cth M over Sth 29?

It is owned by the State Highway Agency.