US Bridges

Sth 29 E over Cth D

Fair

Clark County, Wisconsin · 1.0M E JCT Cth Dd · Structure no. B10002200000000

Built
1962
63 years old, rebuilt 1998
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
146 ft
3 main spans
Daily traffic
5,950
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 29 E over Cth D is a prestressed concrete stringer/multi-beam or girder carrying Sth 29 E over Cth D in Clark County, Wisconsin. It was built in 1962 and reconstructed in 1998, 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 5,950 vehicles a day, roughly 8% of them trucks, projected to reach 7,140 by 2042. The structure is 146 ft (44.5 m) long and 39 ft wide.

CarriesSth 29 E
CrossesCth D
Location1.0M E JCT Cth Dd
RouteState Highway 29
Coordinates44.94318, -90.55722
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.4 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length146 ft (44.5 m)
Longest span50 ft (15.2 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,950 (2022)
Projected traffic7,140 by 2042
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 E over Cth D built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1998.

What condition is Sth 29 E over Cth D 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 June 2023.

How much traffic does Sth 29 E over Cth D carry?

About 5,950 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Sth 29 E over Cth D?

The structure is 146 ft (44.5 m) long with a longest span of 50 ft (15.2 m) and a deck 39 ft wide.

Who owns Sth 29 E over Cth D?

It is owned by the State Highway Agency.