US Bridges

Sth 13 over Butternut Creek

Fair

Ashland County, Wisconsin · 6.0M N JCT Sth 182 · Structure no. B02005700000000

Built
2000
25 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
31 ft
1 main span
Daily traffic
3,000
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 13 over Butternut Creek is a concrete slab carrying Sth 13 over Butternut Creek in Ashland County, Wisconsin. It was built in 2000, so it is 25 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 3,000 vehicles a day, roughly 10% of them trucks, projected to reach 4,810 by 2042. The structure is 31 ft (9.3 m) long and 46 ft wide. If it were closed, the detour would be 58.4 mi (94 km).

Location

Open in Google Maps
CarriesSth 13
CrossesButternut Creek
Location6.0M N JCT Sth 182
RouteState Highway 13
CountyAshland County
StateWisconsin
Coordinates46.00711, -90.49898
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length31 ft (9.3 m)
Longest span28 ft (8.5 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2022)
Projected traffic4,810 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed58.4 mi (94 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 Butternut Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Sth 13 over Butternut 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 October 2023.

How much traffic does Sth 13 over Butternut Creek carry?

About 3,000 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Sth 13 over Butternut Creek?

The structure is 31 ft (9.3 m) long with a longest span of 28 ft (8.5 m) and a deck 46 ft wide.

Who owns Sth 13 over Butternut Creek?

It is owned by the State Highway Agency.