US Bridges

Sth 29 over Unnamed Creek

Good

Chippewa County, Wisconsin · 0.8M E STH124 to S · Structure no. B09023900000000

Built
2004
21 years old
Condition
Good
inspected April 2021
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
28,300
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 29 over Unnamed Creek is a concrete continuous culvert carrying Sth 29 over Unnamed Creek in Chippewa County, Wisconsin. It was built in 2004, so it is 21 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 28,300 vehicles a day, roughly 14% of them trucks, projected to reach 233,960 by 2041. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSth 29
CrossesUnnamed Creek
Location0.8M E STH124 to S
RouteState Highway 29
Coordinates44.89398, -91.39356
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 2021
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 rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length31 ft (9.5 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,300 (2021)
Projected traffic233,960 by 2041
Trucks14%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 29 over Unnamed Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Sth 29 over Unnamed Creek 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 2021.

How much traffic does Sth 29 over Unnamed Creek carry?

About 28,300 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is Sth 29 over Unnamed Creek?

The structure is 31 ft (9.5 m) long with a longest span of 13 ft (4 m).

Who owns Sth 29 over Unnamed Creek?

It is owned by the State Highway Agency.