US Bridges

Tho CR 46 over Zeigler Ditch TH

Fair

Seneca County, Ohio · .82 MI E of CR27 · Structure no. 7450214

Built
1979
46 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
385
2015 count
Owner
County
County Highway Agency

About this bridge

Tho CR 46 over Zeigler Ditch TH is a steel stringer/multi-beam or girder carrying Tho CR 46 over Zeigler Ditch TH in Seneca County, Ohio. It was built in 1979, so it is 46 years old, younger 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 5 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 385 vehicles a day, roughly 8% of them trucks, projected to reach 534 by 2035. The structure is 33 ft (10.1 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTho CR 46
CrossesZeigler Ditch TH
Location.82 MI E of CR27
RouteCounty Highway C0046
StateOhio
Coordinates41.19, -82.88
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating33.6 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span29 ft (8.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic385 (2015)
Projected traffic534 by 2035
Trucks8%
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 CR 46 over Zeigler Ditch TH built?

It was built in 1979, making it 46 years old in 2025.

What condition is Tho CR 46 over Zeigler Ditch TH 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 CR 46 over Zeigler Ditch TH carry?

About 385 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Tho CR 46 over Zeigler Ditch TH?

The structure is 33 ft (10.1 m) long with a longest span of 29 ft (8.8 m) and a deck 27 ft wide.

Who owns Tho CR 46 over Zeigler Ditch TH?

It is owned by the County Highway Agency.