US Bridges

Sth 29 over Unnamed Tributary

Good

Pierce County, Wisconsin · 0.25MI Ncth Ff · Structure no. B47023000000000

Built
2021
4 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
5,800
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 29 over Unnamed Tributary is a concrete continuous culvert carrying Sth 29 over Unnamed Tributary in Pierce County, Wisconsin. It was built in 2021, so it is 4 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,800 vehicles a day, projected to reach 6,300 by 2041. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSth 29
CrossesUnnamed Tributary
Location0.25MI Ncth Ff
RouteState Highway 29
Coordinates44.83278, -92.62778
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length25 ft (7.5 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,800 (2021)
Projected traffic6,300 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 over Unnamed Tributary built?

It was built in 2021, making it 4 years old in 2025.

What condition is Sth 29 over Unnamed Tributary in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does Sth 29 over Unnamed Tributary carry?

About 5,800 vehicles per day (2021 count).

How long is Sth 29 over Unnamed Tributary?

The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.6 m).

Who owns Sth 29 over Unnamed Tributary?

It is owned by the State Highway Agency.