US Bridges

TR 221 over Harlem Ditch

Fair

Logan County, Ohio · 0.37 Mi. East of TR 99 · Structure no. 4650964

Built
1910
115 years old, rebuilt 1989
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
64
2015 count
Owner
County
County Highway Agency

About this bridge

TR 221 over Harlem Ditch is a steel stringer/multi-beam or girder carrying TR 221 over Harlem Ditch in Logan County, Ohio. It was built in 1910 and reconstructed in 1989, so it is 115 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 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 64 vehicles a day, roughly 8% of them trucks, projected to reach 89 by 2035. The structure is 24 ft (7.3 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 221
CrossesHarlem Ditch
Location0.37 Mi. East of TR 99
RouteCounty Highway T0221
CountyLogan County
StateOhio
Coordinates40.4376, -83.82273
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
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating107.1 US tons
Inventory rating75 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic64 (2015)
Projected traffic89 by 2035
Trucks8%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$26,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 221 over Harlem Ditch built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1989.

What condition is TR 221 over Harlem 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 December 2024.

How much traffic does TR 221 over Harlem Ditch carry?

About 64 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is TR 221 over Harlem Ditch?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 16 ft wide.

Who owns TR 221 over Harlem Ditch?

It is owned by the County Highway Agency.