US Bridges

Township Road 55 over Br over Zieg Ditch

Fair

Marion County, Ohio · 1.1 MI N of JCT CR 52 · Structure no. 5131219

Built
1950
75 years old, rebuilt 2000
Condition
Fair
inspected October 2024
Type
Truss - Thru
Steel
Length
46 ft
1 main span
Daily traffic
185
2015 count
Owner
County
County Highway Agency

About this bridge

Township Road 55 over Br over Zieg Ditch is a steel truss - thru carrying Township Road 55 over Br over Zieg Ditch in Marion County, Ohio. It was built in 1950 and reconstructed in 2000, so it is 75 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 185 vehicles a day, roughly 8% of them trucks, projected to reach 257 by 2035. The structure is 46 ft (14 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTownship Road 55
CrossesBr over Zieg Ditch
Location1.1 MI N of JCT CR 52
RouteCounty Highway T055B
CountyMarion County
StateOhio
Coordinates40.545, -83.26833
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.
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 inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating35.7 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 20
Structure length46 ft (14 m)
Longest span43 ft (13.1 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic185 (2015)
Projected traffic257 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Township Road 55 over Br over Zieg Ditch built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2000.

What condition is Township Road 55 over Br over Zieg 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 October 2024.

How much traffic does Township Road 55 over Br over Zieg Ditch carry?

About 185 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Township Road 55 over Br over Zieg Ditch?

The structure is 46 ft (14 m) long with a longest span of 43 ft (13.1 m) and a deck 20 ft wide.

Who owns Township Road 55 over Br over Zieg Ditch?

It is owned by the County Highway Agency.