US Bridges

Sth 11 over Hollow Creek

Fair

Grant County, Wisconsin · 1.5M E JCT Ush 61 · Structure no. B22061500000000

Built
1939
86 years old, rebuilt 1998
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
4,200
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 11 over Hollow Creek is a concrete slab carrying Sth 11 over Hollow Creek in Grant County, Wisconsin. It was built in 1939 and reconstructed in 1998, so it is 86 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 4,200 vehicles a day, roughly 9% of them trucks, projected to reach 6,060 by 2042. The structure is 27 ft (8.1 m) long and 42 ft wide. If it were closed, the detour would be 40.4 mi (65 km).

CarriesSth 11
CrossesHollow Creek
Location1.5M E JCT Ush 61
RouteState Highway 11
Coordinates42.52691, -90.58239
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length27 ft (8.1 m)
Longest span27 ft (8.1 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2022)
Projected traffic6,060 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed40.4 mi (65 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 11 over Hollow Creek built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1998.

What condition is Sth 11 over Hollow Creek 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 over Hollow Creek carry?

About 4,200 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Sth 11 over Hollow Creek?

The structure is 27 ft (8.1 m) long with a longest span of 27 ft (8.1 m) and a deck 42 ft wide.

Who owns Sth 11 over Hollow Creek?

It is owned by the State Highway Agency.