US Bridges

Sth 80 over Rocky Creek

Good

Wood County, Wisconsin · 0.8M N JCT Cth Cc (c) · Structure no. B71007900000000

Built
1989
36 years old
Condition
Good
inspected August 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
2,700
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 80 over Rocky Creek is a prestressed concrete stringer/multi-beam or girder carrying Sth 80 over Rocky Creek in Wood County, Wisconsin. It was built in 1989, so it is 36 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 2,700 vehicles a day, roughly 10% of them trucks, projected to reach 3,240 by 2041. The structure is 68 ft (20.6 m) long and 46 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesSth 80
CrossesRocky Creek
Location0.8M N JCT Cth Cc (c)
RouteState Highway 80
Coordinates44.50831, -90.17994
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length68 ft (20.6 m)
Longest span65 ft (19.8 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2021)
Projected traffic3,240 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 80 over Rocky Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Sth 80 over Rocky 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 2021.

How much traffic does Sth 80 over Rocky Creek carry?

About 2,700 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Sth 80 over Rocky Creek?

The structure is 68 ft (20.6 m) long with a longest span of 65 ft (19.8 m) and a deck 46 ft wide.

Who owns Sth 80 over Rocky Creek?

It is owned by the State Highway Agency.