US Bridges

Ush 18/STH 35/STH over Drainage Channel

Good

Crawford County, Wisconsin · 2 M E JCT Ush 18 · Structure no. B12018800000000

Built
2016
9 years old
Condition
Good
inspected November 2022
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
6,600
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 18/STH 35/STH over Drainage Channel is a concrete culvert carrying Ush 18/STH 35/STH over Drainage Channel in Crawford County, Wisconsin. It was built in 2016, so it is 9 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 6,600 vehicles a day, roughly 10% of them trucks, projected to reach 10,800 by 2041. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 38.5 mi (62 km).

CarriesUsh 18/STH 35/STH
CrossesDrainage Channel
Location2 M E JCT Ush 18
RouteU.S. Route 18
Coordinates43.01386, -91.09442
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length20 ft (6.1 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2022)
Projected traffic10,800 by 2041
Trucks10%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed38.5 mi (62 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ush 18/STH 35/STH over Drainage Channel built?

It was built in 2016, making it 9 years old in 2025.

What condition is Ush 18/STH 35/STH over Drainage Channel 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 2022.

How much traffic does Ush 18/STH 35/STH over Drainage Channel carry?

About 6,600 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Ush 18/STH 35/STH over Drainage Channel?

The structure is 20 ft (6.1 m) long with a longest span of 8 ft (2.4 m).

Who owns Ush 18/STH 35/STH over Drainage Channel?

It is owned by the State Highway Agency.