US Bridges

Sth 79 over Coon Creek

Good

Dunn County, Wisconsin · 1.7M N JCT Ush 12 · Structure no. B17036800000000

Built
2023
2 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
1,917
2023 count
Owner
State
State Highway Agency

About this bridge

Sth 79 over Coon Creek is a prestressed concrete stringer/multi-beam or girder carrying Sth 79 over Coon Creek in Dunn County, Wisconsin. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,917 vehicles a day, projected to reach 2,300 by 2043. The structure is 74 ft (22.5 m) long and 41 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesSth 79
CrossesCoon Creek
Location1.7M N JCT Ush 12
RouteState Highway 79
Coordinates44.94972, -91.97583
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating38.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length74 ft (22.5 m)
Longest span70 ft (21.3 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,917 (2023)
Projected traffic2,300 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 79 over Coon Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Sth 79 over Coon 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 August 2024.

How much traffic does Sth 79 over Coon Creek carry?

About 1,917 vehicles per day (2023 count).

How long is Sth 79 over Coon Creek?

The structure is 74 ft (22.5 m) long with a longest span of 70 ft (21.3 m) and a deck 41 ft wide.

Who owns Sth 79 over Coon Creek?

It is owned by the State Highway Agency.