US Bridges

Sth 73 - Sth 80 over Br Rocky CR

Good

Wood County, Wisconsin · 2.0M N Sth 80 (c) · Structure no. B71018400000000

Built
2013
12 years old
Condition
Good
inspected September 2021
Type
Slab
Concrete
Length
47 ft
1 main span
Daily traffic
2,800
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 73 - Sth 80 over Br Rocky CR is a concrete slab carrying Sth 73 - Sth 80 over Br Rocky CR in Wood County, Wisconsin. It was built in 2013, so it is 12 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 2,800 vehicles a day, roughly 5% of them trucks, projected to reach 3,360 by 2041. The structure is 47 ft (14.2 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSth 73 - Sth 80
CrossesBr Rocky CR
Location2.0M N Sth 80 (c)
RouteState Highway 73
Coordinates44.45341, -90.17159
Functional classRural Major Collector

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 inspectionSeptember 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 rating49.3 US tons
Inventory rating37.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length47 ft (14.2 m)
Longest span44 ft (13.4 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2021)
Projected traffic3,360 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 73 - Sth 80 over Br Rocky CR built?

It was built in 2013, making it 12 years old in 2025.

What condition is Sth 73 - Sth 80 over Br Rocky CR 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 September 2021.

How much traffic does Sth 73 - Sth 80 over Br Rocky CR carry?

About 2,800 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Sth 73 - Sth 80 over Br Rocky CR?

The structure is 47 ft (14.2 m) long with a longest span of 44 ft (13.4 m) and a deck 47 ft wide.

Who owns Sth 73 - Sth 80 over Br Rocky CR?

It is owned by the State Highway Agency.