US Bridges

Tho TR 136 over Zeigler Ditch

Fair

Seneca County, Ohio · .37 MI E of CR27 · Structure no. 7450125

Built
1900
125 years old, rebuilt 1985
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
96
2015 count
Owner
County
County Highway Agency

About this bridge

Tho TR 136 over Zeigler Ditch is a steel stringer/multi-beam or girder carrying Tho TR 136 over Zeigler Ditch in Seneca County, Ohio. It was built in 1900 and reconstructed in 1985, 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.

It carries about 96 vehicles a day, roughly 7% of them trucks, projected to reach 133 by 2035. The structure is 23 ft (7 m) long and 19 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTho TR 136
CrossesZeigler Ditch
Location.37 MI E of CR27
RouteCounty Highway 136
CountySeneca County
StateOhio
Coordinates41.175, -82.93
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43.5 US tons
Inventory rating26.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2015)
Projected traffic133 by 2035
Trucks7%
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 Tho TR 136 over Zeigler Ditch built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1985.

What condition is Tho TR 136 over Zeigler Ditch 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 September 2024.

How much traffic does Tho TR 136 over Zeigler Ditch carry?

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

How long is Tho TR 136 over Zeigler Ditch?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 19 ft wide.

Who owns Tho TR 136 over Zeigler Ditch?

It is owned by the County Highway Agency.