US Bridges

Blo CR 23 over Aichholz Ditch

Fair

Seneca County, Ohio · .5 MI S of CR 12 · Structure no. 7433425

Built
1940
85 years old, rebuilt 1978
Condition
Fair
inspected April 2024
Type
Truss - Thru
Steel
Length
35 ft
1 main span
Daily traffic
144
2015 count
Owner
County
County Highway Agency

About this bridge

Blo CR 23 over Aichholz Ditch is a steel truss - thru carrying Blo CR 23 over Aichholz Ditch in Seneca County, Ohio. It was built in 1940 and reconstructed in 1978, so it is 85 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 144 vehicles a day, roughly 7% of them trucks, projected to reach 200 by 2035. The structure is 35 ft (10.7 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesBlo CR 23
CrossesAichholz Ditch
Location.5 MI S of CR 12
RouteCounty Highway C0023
CountySeneca County
StateOhio
Coordinates41.045, -82.95833
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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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 rating40.7 US tons
Inventory rating24.3 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span32 ft (9.8 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic144 (2015)
Projected traffic200 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 Blo CR 23 over Aichholz Ditch built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1978.

What condition is Blo CR 23 over Aichholz 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 April 2024.

How much traffic does Blo CR 23 over Aichholz Ditch carry?

About 144 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Blo CR 23 over Aichholz Ditch?

The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.8 m) and a deck 29 ft wide.

Who owns Blo CR 23 over Aichholz Ditch?

It is owned by the County Highway Agency.