US Bridges

Cth F Illinois S over Butternut Creek

Fair

Ashland County, Wisconsin · 0.5M E of JCT Sth 13 · Structure no. B02001900000000

Built
1977
48 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
66 ft
2 main spans
Daily traffic
643
2024 count
Owner
County
County Highway Agency

About this bridge

Cth F Illinois S over Butternut Creek is a concrete continuous slab carrying Cth F Illinois S over Butternut Creek in Ashland County, Wisconsin. It was built in 1977, so it is 48 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 643 vehicles a day, projected to reach 697 by 2043. The structure is 66 ft (20 m) long and 34 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesCth F Illinois S
CrossesButternut Creek
Location0.5M E of JCT Sth 13
RouteCounty Highway 0F
CountyAshland County
StateWisconsin
Coordinates46.01501, -90.49055
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating30.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length66 ft (20 m)
Longest span32 ft (9.8 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic643 (2024)
Projected traffic697 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Cth F Illinois S over Butternut Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Cth F Illinois S 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 August 2024.

How much traffic does Cth F Illinois S over Butternut Creek carry?

About 643 vehicles per day (2024 count).

How long is Cth F Illinois S over Butternut Creek?

The structure is 66 ft (20 m) long with a longest span of 32 ft (9.8 m) and a deck 34 ft wide.

Who owns Cth F Illinois S over Butternut Creek?

It is owned by the County Highway Agency.