US Bridges

Lrd Koch RD over Bark River

Good

Jefferson County, Wisconsin · 0.3M E JCT Cth D · Structure no. B28012500000000

Built
2008
17 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete
Length
38 ft
1 main span
Daily traffic
133
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Koch RD over Bark River is a concrete slab carrying Lrd Koch RD over Bark River in Jefferson County, Wisconsin. It was built in 2008, so it is 17 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 133 vehicles a day, roughly 10% of them trucks, projected to reach 146 by 2043. The structure is 38 ft (11.7 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLrd Koch RD
CrossesBark River
Location0.3M E JCT Cth D
RouteCity Street 0
Coordinates42.91289, -88.68619
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 inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating90.4 US tons
Inventory rating53.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length38 ft (11.7 m)
Longest span36 ft (11 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic133 (2022)
Projected traffic146 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Lrd Koch RD over Bark River built?

It was built in 2008, making it 17 years old in 2025.

What condition is Lrd Koch RD over Bark River 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 August 2024.

How much traffic does Lrd Koch RD over Bark River carry?

About 133 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Lrd Koch RD over Bark River?

The structure is 38 ft (11.7 m) long with a longest span of 36 ft (11 m) and a deck 26 ft wide.

Who owns Lrd Koch RD over Bark River?

It is owned by the Town or Township Highway Agency.