US Bridges

Sth 57 over Trinity CR

Good

Ozaukee County, Wisconsin · 1.6 MI S JCT Sth 167 · Structure no. B45009900000000

Built
2010
15 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
9,900
2023 count
Owner
State
State Highway Agency

About this bridge

Sth 57 over Trinity CR is a concrete culvert carrying Sth 57 over Trinity CR in Ozaukee County, Wisconsin. It was built in 2010, so it is 15 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,900 vehicles a day, roughly 5% of them trucks, projected to reach 9,900 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 7.5 mi (12 km).

CarriesSth 57
CrossesTrinity CR
Location1.6 MI S JCT Sth 167
RouteState Highway 57
Coordinates43.20035, -87.96846
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,900 (2023)
Projected traffic9,900 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 over Trinity CR built?

It was built in 2010, making it 15 years old in 2025.

What condition is Sth 57 over Trinity CR 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 August 2024.

How much traffic does Sth 57 over Trinity CR carry?

About 9,900 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Sth 57 over Trinity CR?

The structure is 24 ft (7.3 m) long with a longest span of 20 ft (6.1 m).

Who owns Sth 57 over Trinity CR?

It is owned by the State Highway Agency.