US Bridges

Sth 29 over Hay Creek

Fair

Chippewa County, Wisconsin · 6.5M E JCT Sth 27 to N · Structure no. B09002900000000

Built
1963
62 years old, rebuilt 1994
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
16,100
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 29 over Hay Creek is a concrete continuous culvert carrying Sth 29 over Hay Creek in Chippewa County, Wisconsin. It was built in 1963 and reconstructed in 1994, so it is 62 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 16,100 vehicles a day, roughly 8% of them trucks, projected to reach 13,860 by 2042. The structure is 24 ft (7.2 m) long. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSth 29
CrossesHay Creek
Location6.5M E JCT Sth 27 to N
RouteState Highway 29
CountyChippewa County
StateWisconsin
Coordinates44.95104, -91.0209
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length24 ft (7.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,100 (2021)
Projected traffic13,860 by 2042
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Hay Creek built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1994.

What condition is Sth 29 over Hay Creek 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 April 2023.

How much traffic does Sth 29 over Hay Creek carry?

About 16,100 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Sth 29 over Hay Creek?

The structure is 24 ft (7.2 m) long with a longest span of 10 ft (3 m).

Who owns Sth 29 over Hay Creek?

It is owned by the State Highway Agency.