US Bridges

Cth Nn over Roger Creek

Good

Clark County, Wisconsin · 0.3M N JCT Cth Mm · Structure no. B10039100000000

Built
2022
3 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete
Length
48 ft
1 main span
Daily traffic
480
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Nn over Roger Creek is a concrete slab carrying Cth Nn over Roger Creek in Clark County, Wisconsin. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 480 vehicles a day, roughly 10% of them trucks, projected to reach 715 by 2042. The structure is 48 ft (14.5 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCth Nn
CrossesRoger Creek
Location0.3M N JCT Cth Mm
RouteCounty Highway 0NN
Coordinates44.93349, -90.92263
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating47.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length48 ft (14.5 m)
Longest span45 ft (13.7 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic480 (2022)
Projected traffic715 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Nn over Roger Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is Cth Nn over Roger 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 September 2024.

How much traffic does Cth Nn over Roger Creek carry?

About 480 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Cth Nn over Roger Creek?

The structure is 48 ft (14.5 m) long with a longest span of 45 ft (13.7 m) and a deck 31 ft wide.

Who owns Cth Nn over Roger Creek?

It is owned by the County Highway Agency.