US Bridges

Cth H over Br Mill Creek

Good

Iowa County, Wisconsin · 0.9M S JCT Cth T · Structure no. B25014100000000

Built
2002
23 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
47 ft
1 main span
Daily traffic
390
2022 count
Owner
County
County Highway Agency

About this bridge

Cth H over Br Mill Creek is a concrete slab carrying Cth H over Br Mill Creek in Iowa County, Wisconsin. It was built in 2002, so it is 23 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 390 vehicles a day, roughly 3% of them trucks, projected to reach 429 by 2043. The structure is 47 ft (14.2 m) long and 32 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

CarriesCth H
CrossesBr Mill Creek
Location0.9M S JCT Cth T
RouteCounty Highway 0H
Coordinates43.06689, -89.98483
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
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 length47 ft (14.2 m)
Longest span44 ft (13.4 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2022)
Projected traffic429 by 2043
Trucks3%
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 H over Br Mill Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Cth H over Br Mill 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 October 2024.

How much traffic does Cth H over Br Mill Creek carry?

About 390 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Cth H over Br Mill Creek?

The structure is 47 ft (14.2 m) long with a longest span of 44 ft (13.4 m) and a deck 32 ft wide.

Who owns Cth H over Br Mill Creek?

It is owned by the County Highway Agency.