US Bridges

SR 350 over Sewell Run

Good

Clinton County, Ohio · 1.6 MI W of SR 730 · Structure no. 1403214

Built
1961
64 years old
Condition
Good
inspected July 2024
Type
Culvert
Steel
Length
23 ft
2 main spans
Daily traffic
2,494
2015 count
Owner
State
State Highway Agency

About this bridge

SR 350 over Sewell Run is a steel culvert carrying SR 350 over Sewell Run in Clinton County, Ohio. It was built in 1961, so it is 64 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 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 2,494 vehicles a day, roughly 4% of them trucks, projected to reach 3,462 by 2035. The structure is 23 ft (7 m) long. If it were closed, the detour would be 14.3 mi (23 km).

CarriesSR 350
CrossesSewell Run
Location1.6 MI W of SR 730
RouteState Highway 350
StateOhio
Coordinates39.38017, -83.95915
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,494 (2015)
Projected traffic3,462 by 2035
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 350 over Sewell Run built?

It was built in 1961, making it 64 years old in 2025.

What condition is SR 350 over Sewell 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 July 2024.

How much traffic does SR 350 over Sewell Run carry?

About 2,494 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is SR 350 over Sewell Run?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns SR 350 over Sewell Run?

It is owned by the State Highway Agency.