US Bridges

County Road 82 over Markley Run

Good

Knox County, Ohio · 0.6 MI E. of JCT SR 95 · Structure no. 4231953

Built
1900
125 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
644
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 82 over Markley Run is a prestressed concrete box beam or girders - multiple carrying County Road 82 over Markley Run in Knox County, Ohio. It was built in 1900, so it is 125 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 644 vehicles a day, roughly 7% of them trucks, projected to reach 894 by 2042. The structure is 49 ft (14.9 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesCounty Road 82
CrossesMarkley Run
Location0.6 MI E. of JCT SR 95
RouteCounty Highway C0082
CountyKnox County
StateOhio
Coordinates40.52908, -82.49328
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length49 ft (14.9 m)
Longest span49 ft (14.9 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic644 (2018)
Projected traffic894 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 County Road 82 over Markley Run built?

It was built in 1900, making it 125 years old in 2025.

What condition is County Road 82 over Markley Run 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 June 2024.

How much traffic does County Road 82 over Markley Run carry?

About 644 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is County Road 82 over Markley Run?

The structure is 49 ft (14.9 m) long with a longest span of 49 ft (14.9 m) and a deck 26 ft wide.

Who owns County Road 82 over Markley Run?

It is owned by the County Highway Agency.