US Bridges

Sth 11 Wb-Sth 35 S over Ush 61-USH 151-STH 35 SB

Fair

Grant County, Wisconsin · 1.8M W JCT Cth Z · Structure no. B22006100000000

Built
1981
44 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
243 ft
2 main spans
Daily traffic
3,900
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 11 Wb-Sth 35 S over Ush 61-USH 151-STH 35 SB is a steel continuous stringer/multi-beam or girder carrying Sth 11 Wb-Sth 35 S over Ush 61-USH 151-STH 35 SB in Grant County, Wisconsin. It was built in 1981, so it is 44 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,900 vehicles a day, roughly 10% of them trucks, projected to reach 4,600 by 2042. The structure is 243 ft (74.1 m) long and 64 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSth 11 Wb-Sth 35 S
CrossesUsh 61-USH 151-STH 35 SB
Location1.8M W JCT Cth Z
RouteState Highway 11
Coordinates42.52072, -90.61519
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating44.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length243 ft (74.1 m)
Longest span123 ft (37.6 m)
Deck width64 ft (19.5 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2022)
Projected traffic4,600 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sth 11 Wb-Sth 35 S over Ush 61-USH 151-STH 35 SB built?

It was built in 1981, making it 44 years old in 2025.

What condition is Sth 11 Wb-Sth 35 S over Ush 61-USH 151-STH 35 SB in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does Sth 11 Wb-Sth 35 S over Ush 61-USH 151-STH 35 SB carry?

About 3,900 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Sth 11 Wb-Sth 35 S over Ush 61-USH 151-STH 35 SB?

The structure is 243 ft (74.1 m) long with a longest span of 123 ft (37.6 m) and a deck 64 ft wide.

Who owns Sth 11 Wb-Sth 35 S over Ush 61-USH 151-STH 35 SB?

It is owned by the State Highway Agency.