US Bridges

Sth 35-STH 133 over Blake Fork Creek

Good

Grant County, Wisconsin · 1.3M N JCT Sth 133 to S · Structure no. B22005900000000

Built
1980
45 years old
Condition
Good
inspected September 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
98 ft
1 main span
Daily traffic
1,800
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 35-STH 133 over Blake Fork Creek is a prestressed concrete stringer/multi-beam or girder carrying Sth 35-STH 133 over Blake Fork Creek in Grant County, Wisconsin. It was built in 1980, so it is 45 years old, older 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 1,800 vehicles a day, roughly 8% of them trucks, projected to reach 2,860 by 2040. The structure is 98 ft (30 m) long and 43 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesSth 35-STH 133
CrossesBlake Fork Creek
Location1.3M N JCT Sth 133 to S
RouteState Highway 35
Coordinates42.90326, -90.94235
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating80.5 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length98 ft (30 m)
Longest span95 ft (29 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2022)
Projected traffic2,860 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 35-STH 133 over Blake Fork Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Sth 35-STH 133 over Blake Fork 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 September 2021.

How much traffic does Sth 35-STH 133 over Blake Fork Creek carry?

About 1,800 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Sth 35-STH 133 over Blake Fork Creek?

The structure is 98 ft (30 m) long with a longest span of 95 ft (29 m) and a deck 43 ft wide.

Who owns Sth 35-STH 133 over Blake Fork Creek?

It is owned by the State Highway Agency.