US Bridges

Cth II over Simpson Hollow Creek

Good

Richland County, Wisconsin · 1.2M N JCT Cth I · Structure no. B52024000000000

Built
2001
24 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
33 ft
1 main span
Daily traffic
330
2022 count
Owner
County
County Highway Agency

About this bridge

Cth II over Simpson Hollow Creek is a concrete slab carrying Cth II over Simpson Hollow Creek in Richland County, Wisconsin. It was built in 2001, so it is 24 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 330 vehicles a day, projected to reach 363 by 2043. The structure is 33 ft (10.1 m) long and 28 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

CarriesCth II
CrossesSimpson Hollow Creek
Location1.2M N JCT Cth I
RouteCounty Highway 0II
Coordinates43.485, -90.32056
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating70.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span33 ft (10.1 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2022)
Projected traffic363 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed17.4 mi (28 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 II over Simpson Hollow Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Cth II over Simpson Hollow 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 April 2024.

How much traffic does Cth II over Simpson Hollow Creek carry?

About 330 vehicles per day (2022 count).

How long is Cth II over Simpson Hollow Creek?

The structure is 33 ft (10.1 m) long with a longest span of 33 ft (10.1 m) and a deck 28 ft wide.

Who owns Cth II over Simpson Hollow Creek?

It is owned by the County Highway Agency.