US Bridges

Cth N over Br Big Sandy Creek

Fair

Marathon County, Wisconsin · 2.3M W JCT Cth Ss · Structure no. B37008000000000

Built
1962
63 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
3,699
2023 count
Owner
County
County Highway Agency

About this bridge

Cth N over Br Big Sandy Creek is a concrete continuous culvert carrying Cth N over Br Big Sandy Creek in Marathon County, Wisconsin. It was built in 1962, so it is 63 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,699 vehicles a day, projected to reach 4,059 by 2042. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesCth N
CrossesBr Big Sandy Creek
Location2.3M W JCT Cth Ss
RouteCounty Highway 0N
CountyMarathon County
StateWisconsin
Coordinates44.94537, -89.55667
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length23 ft (6.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,699 (2023)
Projected traffic4,059 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Br Big Sandy Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is Cth N over Br Big Sandy Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Cth N over Br Big Sandy Creek carry?

About 3,699 vehicles per day (2023 count).

How long is Cth N over Br Big Sandy Creek?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m).

Who owns Cth N over Br Big Sandy Creek?

It is owned by the County Highway Agency.