US Bridges

Lanning Road over Trib.N. Br Kokosing Rive

FairPosted for load

Knox County, Ohio · 0.1 MI SW of Levering RD · Structure no. 4236637

Built
1970
55 years old
Condition
Fair
inspected May 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
30 ft
2 main spans
Daily traffic
209
2015 count
Owner
County
County Highway Agency

About this bridge

Lanning Road over Trib.N. Br Kokosing Rive is a aluminum, wrought iron, or cast iron culvert carrying Lanning Road over Trib.N. Br Kokosing Rive in Knox County, Ohio. It was built in 1970, so it is 55 years old, older than the Ohio average of 47.3 years.

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

It carries about 209 vehicles a day, roughly 7% of them trucks, projected to reach 290 by 2042. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesLanning Road
CrossesTrib.N. Br Kokosing Rive
Location0.1 MI SW of Levering RD
RouteCounty Highway 373
CountyKnox County
StateOhio
Coordinates40.54753, -82.6234
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating14.3 US tons
Inventory rating10.7 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans2
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic209 (2015)
Projected traffic290 by 2042
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lanning Road over Trib.N. Br Kokosing Rive built?

It was built in 1970, making it 55 years old in 2025.

What condition is Lanning Road over Trib.N. Br Kokosing Rive 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 May 2024.

How much traffic does Lanning Road over Trib.N. Br Kokosing Rive carry?

About 209 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Lanning Road over Trib.N. Br Kokosing Rive?

The structure is 30 ft (9.1 m) long with a longest span of 7 ft (2.1 m).

Who owns Lanning Road over Trib.N. Br Kokosing Rive?

It is owned by the County Highway Agency.