US Bridges

SR 586 over Over Big Run

Good

Knox County, Ohio · 3.4 M N of JCT US 62 · Structure no. 4203496

Built
1994
31 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete Continuous
Length
81 ft
3 main spans
Daily traffic
1,440
2015 count
Owner
State
State Highway Agency

About this bridge

SR 586 over Over Big Run is a concrete continuous slab carrying SR 586 over Over Big Run in Knox County, Ohio. It was built in 1994, so it is 31 years old, younger 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 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 1,440 vehicles a day, roughly 14% of them trucks, projected to reach 1,999 by 2035. The structure is 81 ft (24.7 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 586
CrossesOver Big Run
Location3.4 M N of JCT US 62
RouteState Highway 586
CountyKnox County
StateOhio
Coordinates40.30726, -82.39596
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 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 alignment6: Equal to present minimum criteria
Operating rating52.9 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length81 ft (24.7 m)
Longest span30 ft (9.1 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,440 (2015)
Projected traffic1,999 by 2035
Trucks14%
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

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 SR 586 over Over Big Run built?

It was built in 1994, making it 31 years old in 2025.

What condition is SR 586 over Over Big 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 March 2024.

How much traffic does SR 586 over Over Big Run carry?

About 1,440 vehicles per day (2015 count), of which roughly 14% are trucks.

How long is SR 586 over Over Big Run?

The structure is 81 ft (24.7 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.

Who owns SR 586 over Over Big Run?

It is owned by the State Highway Agency.