US Bridges

Cth D over Sth 29

Fair

Chippewa County, Wisconsin · 0.2M N JCT Cth X · Structure no. B09018900000000

Built
1993
32 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
278 ft
5 main spans
Daily traffic
1,400
2021 count
Owner
State
State Highway Agency

About this bridge

Cth D over Sth 29 is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth D over Sth 29 in Chippewa County, Wisconsin. It was built in 1993, so it is 32 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 1,400 vehicles a day, projected to reach 1,680 by 2041. The structure is 278 ft (84.7 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesCth D
CrossesSth 29
Location0.2M N JCT Cth X
RouteCounty Highway 0D
CountyChippewa County
StateWisconsin
Coordinates44.94579, -91.03463
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length278 ft (84.7 m)
Longest span63 ft (19.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2021)
Projected traffic1,680 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 D over Sth 29 built?

It was built in 1993, making it 32 years old in 2025.

What condition is Cth D 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 April 2023.

How much traffic does Cth D over Sth 29 carry?

About 1,400 vehicles per day (2021 count).

How long is Cth D over Sth 29?

The structure is 278 ft (84.7 m) long with a longest span of 63 ft (19.1 m) and a deck 43 ft wide.

Who owns Cth D over Sth 29?

It is owned by the State Highway Agency.