US Bridges

County Road 17 over Big Run

Good

Knox County, Ohio · 3.85MI. E. of S.R. 586 · Structure no. 4234588

Built
2009
16 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
63 ft
1 main span
Daily traffic
292
2015 count
Owner
County
County Highway Agency

About this bridge

County Road 17 over Big Run is a steel stringer/multi-beam or girder carrying County Road 17 over Big Run in Knox County, Ohio. It was built in 2009, so it is 16 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 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 292 vehicles a day, roughly 8% of them trucks, projected to reach 405 by 2035. The structure is 63 ft (19.2 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCounty Road 17
CrossesBig Run
Location3.85MI. E. of S.R. 586
RouteCounty Highway C0017
StateOhio
Coordinates40.33473, -82.38268
Functional classRural Minor Collector

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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.9 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span63 ft (19.2 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic292 (2015)
Projected traffic405 by 2035
Trucks8%
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 17 over Big Run built?

It was built in 2009, making it 16 years old in 2025.

What condition is County Road 17 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 2023.

How much traffic does County Road 17 over Big Run carry?

About 292 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is County Road 17 over Big Run?

The structure is 63 ft (19.2 m) long with a longest span of 63 ft (19.2 m) and a deck 26 ft wide.

Who owns County Road 17 over Big Run?

It is owned by the County Highway Agency.