US Bridges

Cth a over Br Blackhawk Creek

Good

Rock County, Wisconsin · 2.4M E JCT Ush 14 · Structure no. B53039400000000

Built
2024
1 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
3,003
2024 count
Owner
County
County Highway Agency

About this bridge

Cth a over Br Blackhawk Creek is a concrete culvert carrying Cth a over Br Blackhawk Creek in Rock County, Wisconsin. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,003 vehicles a day, projected to reach 3,600 by 2043. The structure is 21 ft (6.4 m) long and 66 ft wide. If it were closed, the detour would be 15.5 mi (25 km).

Location

Open in Google Maps
CarriesCth a
CrossesBr Blackhawk Creek
Location2.4M E JCT Ush 14
RouteCounty Highway 0A
CountyRock County
StateWisconsin
Coordinates42.69907, -88.90657
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length21 ft (6.4 m)
Longest span8 ft (2.4 m)
Deck width66 ft (20.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,003 (2024)
Projected traffic3,600 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed15.5 mi (25 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 a over Br Blackhawk Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is Cth a over Br Blackhawk 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 August 2024.

How much traffic does Cth a over Br Blackhawk Creek carry?

About 3,003 vehicles per day (2024 count).

How long is Cth a over Br Blackhawk Creek?

The structure is 21 ft (6.4 m) long with a longest span of 8 ft (2.4 m) and a deck 66 ft wide.

Who owns Cth a over Br Blackhawk Creek?

It is owned by the County Highway Agency.