US Bridges

Cth Qq over Baird Creek

Fair

Brown County, Wisconsin · 0.6M S JCT Cth N · Structure no. B05004900000000

Built
1960
65 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
1,319
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Qq over Baird Creek is a prestressed concrete box beam or girders - multiple carrying Cth Qq over Baird Creek in Brown 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 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 1,319 vehicles a day, projected to reach 1,450 by 2042. The structure is 33 ft (10.1 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCth Qq
CrossesBaird Creek
Location0.6M S JCT Cth N
RouteCounty Highway 0QQ
Coordinates44.49407, -87.87709
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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length33 ft (10.1 m)
Longest span31 ft (9.3 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,319 (2022)
Projected traffic1,450 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Qq over Baird Creek built?

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

What condition is Cth Qq over Baird 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 September 2023.

How much traffic does Cth Qq over Baird Creek carry?

About 1,319 vehicles per day (2022 count).

How long is Cth Qq over Baird Creek?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.3 m) and a deck 30 ft wide.

Who owns Cth Qq over Baird Creek?

It is owned by the County Highway Agency.