US Bridges

Ada TR 78 over Royer Ditch

Good

Seneca County, Ohio · 0.5 MI South of CR 34 · Structure no. 7430005

Built
2014
11 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
63
2005 count
Owner
County
County Highway Agency

About this bridge

Ada TR 78 over Royer Ditch is a steel stringer/multi-beam or girder carrying Ada TR 78 over Royer Ditch in Seneca County, Ohio. It was built in 2014, so it is 11 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 63 vehicles a day, roughly 3% of them trucks, projected to reach 82 by 2025. The structure is 38 ft (11.6 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesAda TR 78
CrossesRoyer Ditch
Location0.5 MI South of CR 34
RouteCounty Highway 78
CountySeneca County
StateOhio
Coordinates41.23461, -82.95637
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 inspectionSeptember 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 alignment9: Superior to present desirable criteria
Operating rating77.8 US tons
Inventory rating46.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span34 ft (10.4 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63 (2005)
Projected traffic82 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Ada TR 78 over Royer Ditch built?

It was built in 2014, making it 11 years old in 2025.

What condition is Ada TR 78 over Royer Ditch 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 September 2024.

How much traffic does Ada TR 78 over Royer Ditch carry?

About 63 vehicles per day (2005 count), of which roughly 3% are trucks.

How long is Ada TR 78 over Royer Ditch?

The structure is 38 ft (11.6 m) long with a longest span of 34 ft (10.4 m) and a deck 20 ft wide.

Who owns Ada TR 78 over Royer Ditch?

It is owned by the County Highway Agency.