US Bridges

Cth Bb over Stream to Tainter Lake

Fair

Dunn County, Wisconsin · 0.4M N JCT Cthb · Structure no. P17095600000000

Built
1990
35 years old
Condition
Fair
inspected July 2024
Type
Slab
Wood or Timber
Length
22 ft
1 main span
Daily traffic
387
2024 count
Owner
County
County Highway Agency

About this bridge

Cth Bb over Stream to Tainter Lake is a wood or timber slab carrying Cth Bb over Stream to Tainter Lake in Dunn County, Wisconsin. It was built in 1990, so it is 35 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 387 vehicles a day, projected to reach 423 by 2043. The structure is 22 ft (6.7 m) long and 32 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesCth Bb
CrossesStream to Tainter Lake
Location0.4M N JCT Cthb
RouteCounty Highway 0BB
CountyDunn County
StateWisconsin
Coordinates44.97862, -91.7729
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 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 rating62.8 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic387 (2024)
Projected traffic423 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 Bb over Stream to Tainter Lake built?

It was built in 1990, making it 35 years old in 2025.

What condition is Cth Bb over Stream to Tainter Lake 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 July 2024.

How much traffic does Cth Bb over Stream to Tainter Lake carry?

About 387 vehicles per day (2024 count).

How long is Cth Bb over Stream to Tainter Lake?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 32 ft wide.

Who owns Cth Bb over Stream to Tainter Lake?

It is owned by the County Highway Agency.