US Bridges

Township RD 497 over Shannon Run

FairPosted for load

Guernsey County, Ohio · 100FT N of State HWY 265 · Structure no. 3032922

Built
1900
125 years old, rebuilt 2014
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
96
2015 count
Owner
County
County Highway Agency

About this bridge

Township RD 497 over Shannon Run is a steel stringer/multi-beam or girder carrying Township RD 497 over Shannon Run in Guernsey County, Ohio. It was built in 1900 and reconstructed in 2014, 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 96 vehicles a day, roughly 7% of them trucks, projected to reach 133 by 2035. The structure is 37 ft (11.3 m) long and 17 ft wide.

Location

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CarriesTownship RD 497
CrossesShannon Run
Location100FT N of State HWY 265
RouteCounty Highway T0497
CountyGuernsey County
StateOhio
Coordinates39.9634, -81.26705
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating21.4 US tons
Inventory rating10.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span36 ft (11 m)
Deck width17 ft (5.1 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2015)
Projected traffic133 by 2035
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 RD 497 over Shannon Run built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 2014.

What condition is Township RD 497 over Shannon Run in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does Township RD 497 over Shannon Run carry?

About 96 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Township RD 497 over Shannon Run?

The structure is 37 ft (11.3 m) long with a longest span of 36 ft (11 m) and a deck 17 ft wide.

Who owns Township RD 497 over Shannon Run?

It is owned by the County Highway Agency.