US Bridges

Sth 13 over Bardon Creek

Poor

Douglas County, Wisconsin · 1.5M N JCT Cth O · Structure no. B16075600000000

Built
1931
94 years old, rebuilt 1973
Condition
Poor
inspected July 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
1,400
2023 count
Owner
State
State Highway Agency

About this bridge

Sth 13 over Bardon Creek is a concrete culvert carrying Sth 13 over Bardon Creek in Douglas County, Wisconsin. It was built in 1931 and reconstructed in 1973, so it is 94 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,400 vehicles a day, projected to reach 1,680 by 2043. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesSth 13
CrossesBardon Creek
Location1.5M N JCT Cth O
RouteState Highway 13
CountyDouglas County
StateWisconsin
Coordinates46.64781, -91.74211
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length23 ft (6.9 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 (2023)
Projected traffic1,680 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$213,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 13 over Bardon Creek built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1973.

What condition is Sth 13 over Bardon Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Sth 13 over Bardon Creek carry?

About 1,400 vehicles per day (2023 count).

How long is Sth 13 over Bardon Creek?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m).

Who owns Sth 13 over Bardon Creek?

It is owned by the State Highway Agency.