US Bridges

Cth H over Unnamed Creek

Good

Iowa County, Wisconsin · 0.6 MI N JCT Cth Y · Structure no. B25019600000000

Built
2023
2 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
40 ft
1 main span
Daily traffic
310
2023 count
Owner
County
County Highway Agency

About this bridge

Cth H over Unnamed Creek is a concrete slab carrying Cth H over Unnamed Creek in Iowa County, Wisconsin. It was built in 2023, so it is 2 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 310 vehicles a day, roughly 10% of them trucks, projected to reach 460 by 2043. The structure is 40 ft (12.3 m) long and 31 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesCth H
CrossesUnnamed Creek
Location0.6 MI N JCT Cth Y
RouteCounty Highway 0H
CountyIowa County
StateWisconsin
Coordinates43.05135, -90.00391
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.8 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length40 ft (12.3 m)
Longest span38 ft (11.6 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic310 (2023)
Projected traffic460 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 H over Unnamed Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Cth H over Unnamed 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 November 2023.

How much traffic does Cth H over Unnamed Creek carry?

About 310 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Cth H over Unnamed Creek?

The structure is 40 ft (12.3 m) long with a longest span of 38 ft (11.6 m) and a deck 31 ft wide.

Who owns Cth H over Unnamed Creek?

It is owned by the County Highway Agency.