US Bridges

Cth Gg over Torch River

Fair

Ashland County, Wisconsin · 3.5M S JCT Sth 77 · Structure no. B02000800000000

Built
1949
76 years old, rebuilt 1969
Condition
Fair
inspected August 2024
Type
Slab
Wood or Timber
Length
57 ft
3 main spans
Daily traffic
297
2024 count
Owner
County
County Highway Agency

About this bridge

Cth Gg over Torch River is a wood or timber slab carrying Cth Gg over Torch River in Ashland County, Wisconsin. It was built in 1949 and reconstructed in 1969, so it is 76 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 297 vehicles a day, projected to reach 306 by 2043. The structure is 57 ft (17.4 m) long and 32 ft wide. If it were closed, the detour would be 59.7 mi (96 km).

CarriesCth Gg
CrossesTorch River
Location3.5M S JCT Sth 77
RouteCounty Highway 0GG
Coordinates46.11414, -90.88357
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic297 (2024)
Projected traffic306 by 2043
Trucks0%
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

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 Gg over Torch River built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1969.

What condition is Cth Gg over Torch River 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 Gg over Torch River carry?

About 297 vehicles per day (2024 count).

How long is Cth Gg over Torch River?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.9 m) and a deck 32 ft wide.

Who owns Cth Gg over Torch River?

It is owned by the County Highway Agency.