US Bridges

Cth N over Little Sandy Creek

Good

Marathon County, Wisconsin · 0.2M E JCT Cth J · Structure no. B37045200000000

Built
2018
7 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete
Length
50 ft
1 main span
Daily traffic
1,905
2024 count
Owner
County
County Highway Agency

About this bridge

Cth N over Little Sandy Creek is a concrete slab carrying Cth N over Little Sandy Creek in Marathon County, Wisconsin. It was built in 2018, so it is 7 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 1,905 vehicles a day, projected to reach 1,905 by 2043. The structure is 50 ft (15.2 m) long and 33 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCth N
CrossesLittle Sandy Creek
Location0.2M E JCT Cth J
RouteCounty Highway 0N
Coordinates44.94558, -89.4881
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo 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 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 rating54.2 US tons
Inventory rating41.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width33 ft (10.1 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,905 (2024)
Projected traffic1,905 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 N over Little Sandy Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Cth N over Little Sandy 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 N over Little Sandy Creek carry?

About 1,905 vehicles per day (2024 count).

How long is Cth N over Little Sandy Creek?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 33 ft wide.

Who owns Cth N over Little Sandy Creek?

It is owned by the County Highway Agency.