US Bridges

TR 79 over Thornport Canal

Good

Perry County, Ohio · 772 Ft S of Honey CR RD · Structure no. 6437907

Built
2015
10 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
150
2007 count
Owner
County
County Highway Agency

About this bridge

TR 79 over Thornport Canal is a prestressed concrete box beam or girders - multiple carrying TR 79 over Thornport Canal in Perry County, Ohio. It was built in 2015, so it is 10 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 150 vehicles a day, roughly 10% of them trucks, projected to reach 208 by 2043. The structure is 53 ft (16.2 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTR 79
CrossesThornport Canal
Location772 Ft S of Honey CR RD
RouteCounty Highway T0079
StateOhio
Coordinates39.91468, -82.41344
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.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2024
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 alignment7: Better than present minimum criteria
Operating rating57.1 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length53 ft (16.2 m)
Longest span53 ft (16.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2007)
Projected traffic208 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 TR 79 over Thornport Canal built?

It was built in 2015, making it 10 years old in 2025.

What condition is TR 79 over Thornport Canal 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 TR 79 over Thornport Canal carry?

About 150 vehicles per day (2007 count), of which roughly 10% are trucks.

How long is TR 79 over Thornport Canal?

The structure is 53 ft (16.2 m) long with a longest span of 53 ft (16.2 m) and a deck 24 ft wide.

Who owns TR 79 over Thornport Canal?

It is owned by the County Highway Agency.