US Bridges

Sth 29 EB over Cth X

Fair

Chippewa County, Wisconsin · 1.5M E JCT Cth Xx · Structure no. B09002000000000

Built
1962
63 years old, rebuilt 1993
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
171 ft
3 main spans
Daily traffic
9,350
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 29 EB over Cth X is a steel continuous stringer/multi-beam or girder carrying Sth 29 EB over Cth X in Chippewa County, Wisconsin. It was built in 1962 and reconstructed in 1993, so it is 63 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 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 9,350 vehicles a day, roughly 8% of them trucks, projected to reach 11,300 by 2042. The structure is 171 ft (52.2 m) long and 43 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesSth 29 EB
CrossesCth X
Location1.5M E JCT Cth Xx
RouteState Highway 29
Coordinates44.93678, -91.17611
Functional classRural Principal Arterial - Other

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.
Substructure7 GoodSome minor problems.
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 rating73.9 US tons
Inventory rating42.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length171 ft (52.2 m)
Longest span70 ft (21.2 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,350 (2022)
Projected traffic11,300 by 2042
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sth 29 EB over Cth X built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1993.

What condition is Sth 29 EB over Cth X 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 Sth 29 EB over Cth X carry?

About 9,350 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Sth 29 EB over Cth X?

The structure is 171 ft (52.2 m) long with a longest span of 70 ft (21.2 m) and a deck 43 ft wide.

Who owns Sth 29 EB over Cth X?

It is owned by the State Highway Agency.