US Bridges

Sth 161 over North Fork Blake Creek

Good

Waupaca County, Wisconsin · 1.6M E JCT Cth K to S · Structure no. B68008200000000

Built
1996
29 years old
Condition
Good
inspected May 2021
Type
Slab
Concrete
Length
37 ft
1 main span
Daily traffic
1,100
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 161 over North Fork Blake Creek is a concrete slab carrying Sth 161 over North Fork Blake Creek in Waupaca County, Wisconsin. It was built in 1996, so it is 29 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 1,100 vehicles a day, projected to reach 1,320 by 2042. The structure is 37 ft (11.4 m) long and 32 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSth 161
CrossesNorth Fork Blake Creek
Location1.6M E JCT Cth K to S
RouteState Highway 161
Coordinates44.514, -88.94697
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length37 ft (11.4 m)
Longest span35 ft (10.7 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2022)
Projected traffic1,320 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 161 over North Fork Blake Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Sth 161 over North Fork Blake 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 May 2021.

How much traffic does Sth 161 over North Fork Blake Creek carry?

About 1,100 vehicles per day (2022 count).

How long is Sth 161 over North Fork Blake Creek?

The structure is 37 ft (11.4 m) long with a longest span of 35 ft (10.7 m) and a deck 32 ft wide.

Who owns Sth 161 over North Fork Blake Creek?

It is owned by the State Highway Agency.