US Bridges

Sth 66 over Branch Rocky Run Creek

Good

Portage County, Wisconsin · 2.4 MI S. JCT Ush 10 · Structure no. B49013300000000

Built
2004
21 years old
Condition
Good
inspected June 2022
Type
Slab
Concrete Continuous
Length
107 ft
2 main spans
Daily traffic
3,600
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 66 over Branch Rocky Run Creek is a concrete continuous slab carrying Sth 66 over Branch Rocky Run Creek in Portage 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 3,600 vehicles a day, roughly 7% of them trucks, projected to reach 4,700 by 2041. The structure is 107 ft (32.5 m) long and 46 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesSth 66
CrossesBranch Rocky Run Creek
Location2.4 MI S. JCT Ush 10
RouteState Highway 66
CountyPortage County
StateWisconsin
Coordinates44.4984, -89.61922
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length107 ft (32.5 m)
Longest span52 ft (15.8 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2021)
Projected traffic4,700 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 66 over Branch Rocky Run Creek built?

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

What condition is Sth 66 over Branch Rocky Run 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 June 2022.

How much traffic does Sth 66 over Branch Rocky Run Creek carry?

About 3,600 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Sth 66 over Branch Rocky Run Creek?

The structure is 107 ft (32.5 m) long with a longest span of 52 ft (15.8 m) and a deck 46 ft wide.

Who owns Sth 66 over Branch Rocky Run Creek?

It is owned by the State Highway Agency.