US Bridges

Sth 13 over Porky Creek

Fair

Clark County, Wisconsin · 1.9 Miles N. of 29 · Structure no. B10024100000000

Built
1981
44 years old
Condition
Fair
inspected June 2023
Type
Culvert
Steel
Length
22 ft
3 main spans
Daily traffic
6,800
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 13 over Porky Creek is a steel culvert carrying Sth 13 over Porky Creek in Clark County, Wisconsin. It was built in 1981, so it is 44 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 6,800 vehicles a day, projected to reach 8,160 by 2039. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 51.6 mi (83 km).

Location

Open in Google Maps
CarriesSth 13
CrossesPorky Creek
Location1.9 Miles N. of 29
RouteState Highway 13
CountyClark County
StateWisconsin
Coordinates44.96106, -90.31656
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,800 (2022)
Projected traffic8,160 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed51.6 mi (83 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 13 over Porky Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Sth 13 over Porky 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 June 2023.

How much traffic does Sth 13 over Porky Creek carry?

About 6,800 vehicles per day (2022 count).

How long is Sth 13 over Porky Creek?

The structure is 22 ft (6.7 m) long with a longest span of 5 ft (1.5 m).

Who owns Sth 13 over Porky Creek?

It is owned by the State Highway Agency.