US Bridges

Cth Q (main St) over Rowan Creek

Good

Columbia County, Wisconsin · 0.6M N JCT Cth Cs · Structure no. B11012300000000

Built
1997
28 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
1,700
2021 count
Owner
County
County Highway Agency

About this bridge

Cth Q (main St) over Rowan Creek is a prestressed concrete stringer/multi-beam or girder carrying Cth Q (main St) over Rowan Creek in Columbia County, Wisconsin. It was built in 1997, so it is 28 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,700 vehicles a day, projected to reach 2,040 by 2041. The structure is 63 ft (19.1 m) long and 56 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCth Q (main St)
CrossesRowan Creek
Location0.6M N JCT Cth Cs
RouteCounty Highway 0Q
Coordinates43.38887, -89.40266
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length63 ft (19.1 m)
Longest span60 ft (18.3 m)
Deck width56 ft (17.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2021)
Projected traffic2,040 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Q (main St) over Rowan Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Cth Q (main St) over Rowan Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Cth Q (main St) over Rowan Creek carry?

About 1,700 vehicles per day (2021 count).

How long is Cth Q (main St) over Rowan Creek?

The structure is 63 ft (19.1 m) long with a longest span of 60 ft (18.3 m) and a deck 56 ft wide.

Who owns Cth Q (main St) over Rowan Creek?

It is owned by the County Highway Agency.