US Bridges

Sth 13 over Thompson Creek

Fair

Bayfield County, Wisconsin · 6.1M N JCT Ush 2 to W · Structure no. B04002700000000

Built
1980
45 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
6,400
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 13 over Thompson Creek is a prestressed concrete stringer/multi-beam or girder carrying Sth 13 over Thompson Creek in Bayfield County, Wisconsin. It was built in 1980, so it is 45 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 6,400 vehicles a day, roughly 5% of them trucks, projected to reach 8,400 by 2043. The structure is 52 ft (16 m) long and 42 ft wide. If it were closed, the detour would be 59.7 mi (96 km).

CarriesSth 13
CrossesThompson Creek
Location6.1M N JCT Ush 2 to W
RouteState Highway 13
Coordinates46.66848, -90.91641
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length52 ft (16 m)
Longest span51 ft (15.4 m)
Deck width42 ft (12.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,400 (2022)
Projected traffic8,400 by 2043
Trucks5%
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 Thompson Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Sth 13 over Thompson 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 Thompson Creek carry?

About 6,400 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Sth 13 over Thompson Creek?

The structure is 52 ft (16 m) long with a longest span of 51 ft (15.4 m) and a deck 42 ft wide.

Who owns Sth 13 over Thompson Creek?

It is owned by the State Highway Agency.