US Bridges

Township Road 357 over Island Run

Good

Morgan County, Ohio · Int. TR-193 and TR-357 · Structure no. 5832322

Built
1905
120 years old, rebuilt 1991
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
209
2015 count
Owner
County
County Highway Agency

About this bridge

Township Road 357 over Island Run is a steel stringer/multi-beam or girder carrying Township Road 357 over Island Run in Morgan County, Ohio. It was built in 1905 and reconstructed in 1991, so it is 120 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 209 vehicles a day, roughly 7% of them trucks, projected to reach 290 by 2035. The structure is 39 ft (11.9 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesTownship Road 357
CrossesIsland Run
LocationInt. TR-193 and TR-357
RouteCounty Highway 357
CountyMorgan County
StateOhio
Coordinates39.71963, -81.9497
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span37 ft (11.3 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic209 (2015)
Projected traffic290 by 2035
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 Township Road 357 over Island Run built?

It was built in 1905, making it 120 years old in 2025. It was reconstructed in 1991.

What condition is Township Road 357 over Island 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 February 2024.

How much traffic does Township Road 357 over Island Run carry?

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

How long is Township Road 357 over Island Run?

The structure is 39 ft (11.9 m) long with a longest span of 37 ft (11.3 m) and a deck 14 ft wide.

Who owns Township Road 357 over Island Run?

It is owned by the County Highway Agency.