US Bridges

Cth Q over Tiffany Creek

Fair

Dunn County, Wisconsin · 0.1M N JCT Sth 170 · Structure no. B17006500000000

Built
1960
65 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
75 ft
2 main spans
Daily traffic
456
2024 count
Owner
County
County Highway Agency

About this bridge

Cth Q over Tiffany Creek is a concrete continuous slab carrying Cth Q over Tiffany Creek in Dunn County, Wisconsin. It was built in 1960, so it is 65 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 456 vehicles a day, projected to reach 468 by 2043. The structure is 75 ft (22.9 m) long and 29 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesCth Q
CrossesTiffany Creek
Location0.1M N JCT Sth 170
RouteCounty Highway 0Q
CountyDunn County
StateWisconsin
Coordinates45.04793, -92.12751
Functional classRural Minor 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 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 rating45.2 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length75 ft (22.9 m)
Longest span36 ft (11 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic456 (2024)
Projected traffic468 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 Q over Tiffany Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Cth Q over Tiffany 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 July 2024.

How much traffic does Cth Q over Tiffany Creek carry?

About 456 vehicles per day (2024 count).

How long is Cth Q over Tiffany Creek?

The structure is 75 ft (22.9 m) long with a longest span of 36 ft (11 m) and a deck 29 ft wide.

Who owns Cth Q over Tiffany Creek?

It is owned by the County Highway Agency.