US Bridges

Sth 13 over Jardine Creek

Fair

Bayfield County, Wisconsin · 3.3M N JCT Cth a · Structure no. B04004800000000

Built
1987
38 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
1,400
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 13 over Jardine Creek is a concrete culvert carrying Sth 13 over Jardine Creek in Bayfield County, Wisconsin. It was built in 1987, so it is 38 years old, younger 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 1,400 vehicles a day, roughly 16% of them trucks, projected to reach 950 by 2043. The structure is 26 ft (8 m) long. If it were closed, the detour would be 59.7 mi (96 km).

CarriesSth 13
CrossesJardine Creek
Location3.3M N JCT Cth a
RouteState Highway 13
Coordinates46.77143, -91.4549
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length26 ft (8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2022)
Projected traffic950 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed59.7 mi (96 km)
TollOn a free road
National Highway SystemNo

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 13 over Jardine Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Sth 13 over Jardine 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 May 2024.

How much traffic does Sth 13 over Jardine Creek carry?

About 1,400 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Sth 13 over Jardine Creek?

The structure is 26 ft (8 m) long with a longest span of 10 ft (3 m).

Who owns Sth 13 over Jardine Creek?

It is owned by the State Highway Agency.