US Bridges

Sth 29 E over N Fork Eau Claire River

Fair

Clark County, Wisconsin · 3.4M E JCT Cth Nn · Structure no. B10014600000000

Built
1994
31 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
135 ft
1 main span
Daily traffic
6,950
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 29 E over N Fork Eau Claire River is a prestressed concrete stringer/multi-beam or girder carrying Sth 29 E over N Fork Eau Claire River in Clark 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 6,950 vehicles a day, roughly 10% of them trucks, projected to reach 8,340 by 2041. The structure is 135 ft (41.3 m) long and 43 ft wide.

CarriesSth 29 E
CrossesN Fork Eau Claire River
Location3.4M E JCT Cth Nn
RouteState Highway 29
Coordinates44.95212, -90.85366
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.2 US tons
Inventory rating48.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length135 ft (41.3 m)
Longest span132 ft (40.2 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,950 (2021)
Projected traffic8,340 by 2041
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 29 E over N Fork Eau Claire River built?

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

What condition is Sth 29 E over N Fork Eau Claire River 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 N Fork Eau Claire River carry?

About 6,950 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Sth 29 E over N Fork Eau Claire River?

The structure is 135 ft (41.3 m) long with a longest span of 132 ft (40.2 m) and a deck 43 ft wide.

Who owns Sth 29 E over N Fork Eau Claire River?

It is owned by the State Highway Agency.