US Bridges

Sth 57 SB over Wequiock Creek

Fair

Brown County, Wisconsin · 1.0M S JCT Cth K to E · Structure no. B05004100000000

Built
1957
68 years old, rebuilt 2003
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
9,050
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 57 SB over Wequiock Creek is a concrete slab carrying Sth 57 SB over Wequiock Creek in Brown County, Wisconsin. It was built in 1957 and reconstructed in 2003, so it is 68 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 5 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 9,050 vehicles a day, roughly 8% of them trucks, projected to reach 18,680 by 2043. The structure is 28 ft (8.5 m) long and 46 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSth 57 SB
CrossesWequiock Creek
Location1.0M S JCT Cth K to E
RouteState Highway 57
Coordinates44.56067, -87.88087
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.2 US tons
Inventory rating51.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,050 (2022)
Projected traffic18,680 by 2043
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 57 SB over Wequiock Creek built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2003.

What condition is Sth 57 SB over Wequiock 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 August 2024.

How much traffic does Sth 57 SB over Wequiock Creek carry?

About 9,050 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Sth 57 SB over Wequiock Creek?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 46 ft wide.

Who owns Sth 57 SB over Wequiock Creek?

It is owned by the State Highway Agency.