US Bridges

Cth X over Sth 29

Fair

Chippewa County, Wisconsin · 0.5M W JCT Cth Xx · Structure no. B09001900000000

Built
1966
59 years old, rebuilt 1992
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
272 ft
4 main spans
Daily traffic
2,800
2022 count
Owner
State
State Highway Agency

About this bridge

Cth X over Sth 29 is a steel continuous stringer/multi-beam or girder carrying Cth X over Sth 29 in Chippewa County, Wisconsin. It was built in 1966 and reconstructed in 1992, so it is 59 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.

It carries about 2,800 vehicles a day, projected to reach 4,160 by 2042. The structure is 272 ft (82.8 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesCth X
CrossesSth 29
Location0.5M W JCT Cth Xx
RouteCounty Highway 0X
CountyChippewa County
StateWisconsin
Coordinates44.92947, -91.21416
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.
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.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating30.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length272 ft (82.8 m)
Longest span92 ft (27.9 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2022)
Projected traffic4,160 by 2042
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 X over Sth 29 built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1992.

What condition is Cth X 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 X over Sth 29 carry?

About 2,800 vehicles per day (2022 count).

How long is Cth X over Sth 29?

The structure is 272 ft (82.8 m) long with a longest span of 92 ft (27.9 m) and a deck 35 ft wide.

Who owns Cth X over Sth 29?

It is owned by the State Highway Agency.