US Bridges

Sth 29 WB over Cth H

Fair

Chippewa County, Wisconsin · 0.7M W JCT Cth Nn · Structure no. B09019000000000

Built
1994
31 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
143 ft
2 main spans
Daily traffic
7,650
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 29 WB over Cth H is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 29 WB over Cth H in Chippewa County, Wisconsin. It was built in 1994, so it is 31 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 7,650 vehicles a day, roughly 8% of them trucks, projected to reach 6,410 by 2042. The structure is 143 ft (43.6 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSth 29 WB
CrossesCth H
Location0.7M W JCT Cth Nn
RouteState Highway 29
Coordinates44.95194, -90.93728
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.
Superstructure7 GoodSome minor problems.
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 rating71.7 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length143 ft (43.6 m)
Longest span71 ft (21.5 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,650 (2021)
Projected traffic6,410 by 2042
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sth 29 WB over Cth H built?

It was built in 1994, making it 31 years old in 2025.

What condition is Sth 29 WB over Cth H 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 WB over Cth H carry?

About 7,650 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Sth 29 WB over Cth H?

The structure is 143 ft (43.6 m) long with a longest span of 71 ft (21.5 m) and a deck 43 ft wide.

Who owns Sth 29 WB over Cth H?

It is owned by the State Highway Agency.