US Bridges

Cth B over Stream to Tainter Lake

Fair

Dunn County, Wisconsin · 0.4M E JCT Cth Bb · Structure no. P17095700000000

Built
1990
35 years old
Condition
Fair
inspected July 2024
Type
Slab
Wood or Timber
Length
23 ft
1 main span
Daily traffic
1,929
2024 count
Owner
County
County Highway Agency

About this bridge

Cth B over Stream to Tainter Lake is a wood or timber slab carrying Cth B 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 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 1,929 vehicles a day, projected to reach 2,009 by 2043. The structure is 23 ft (6.9 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCth B
CrossesStream to Tainter Lake
Location0.4M E JCT Cth Bb
RouteCounty Highway 0B
Coordinates44.97266, -91.76471
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.6 US tons
Inventory rating46.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length23 ft (6.9 m)
Longest span21 ft (6.4 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,929 (2024)
Projected traffic2,009 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 B over Stream to Tainter Lake built?

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

What condition is Cth B 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 B over Stream to Tainter Lake carry?

About 1,929 vehicles per day (2024 count).

How long is Cth B over Stream to Tainter Lake?

The structure is 23 ft (6.9 m) long with a longest span of 21 ft (6.4 m) and a deck 31 ft wide.

Who owns Cth B over Stream to Tainter Lake?

It is owned by the County Highway Agency.