US Bridges

Sth 29-HUDSON RD over Red Cedar River

Fair

Dunn County, Wisconsin · 0.1M E JCT Cth P · Structure no. B17000500000000

Built
1953
72 years old, rebuilt 1988
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
350 ft
4 main spans
Daily traffic
5,600
2023 count
Owner
State
State Highway Agency

About this bridge

Sth 29-HUDSON RD over Red Cedar River is a steel continuous stringer/multi-beam or girder carrying Sth 29-HUDSON RD over Red Cedar River in Dunn County, Wisconsin. It was built in 1953 and reconstructed in 1988, so it is 72 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 5,600 vehicles a day, roughly 4% of them trucks, projected to reach 8,920 by 2043. The structure is 350 ft (106.7 m) long and 40 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

CarriesSth 29-HUDSON RD
CrossesRed Cedar River
Location0.1M E JCT Cth P
RouteState Highway 29
Coordinates44.87529, -91.93687
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.2 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length350 ft (106.7 m)
Longest span95 ft (29.1 m)
Deck width40 ft (12.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,600 (2023)
Projected traffic8,920 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed37.9 mi (61 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 29-HUDSON RD over Red Cedar River built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1988.

What condition is Sth 29-HUDSON RD over Red Cedar 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 August 2024.

How much traffic does Sth 29-HUDSON RD over Red Cedar River carry?

About 5,600 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Sth 29-HUDSON RD over Red Cedar River?

The structure is 350 ft (106.7 m) long with a longest span of 95 ft (29.1 m) and a deck 40 ft wide.

Who owns Sth 29-HUDSON RD over Red Cedar River?

It is owned by the State Highway Agency.