US Bridges

Township Road 51 over Br over Dudley Run

Fair

Marion County, Ohio · .3 MI N of JCT TR 15 · Structure no. 5131197

Built
1900
125 years old, rebuilt 1978
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
324
2015 count
Owner
County
County Highway Agency

About this bridge

Township Road 51 over Br over Dudley Run is a steel stringer/multi-beam or girder carrying Township Road 51 over Br over Dudley Run in Marion County, Ohio. It was built in 1900 and reconstructed in 1978, 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 324 vehicles a day, roughly 7% of them trucks, projected to reach 450 by 2035. The structure is 31 ft (9.4 m) long and 16 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesTownship Road 51
CrossesBr over Dudley Run
Location.3 MI N of JCT TR 15
RouteCounty Highway T051A
CountyMarion County
StateOhio
Coordinates40.53667, -83.375
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 above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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 typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic324 (2015)
Projected traffic450 by 2035
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 51 over Br over Dudley Run built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1978.

What condition is Township Road 51 over Br over Dudley Run 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 Township Road 51 over Br over Dudley Run carry?

About 324 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Township Road 51 over Br over Dudley Run?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 16 ft wide.

Who owns Township Road 51 over Br over Dudley Run?

It is owned by the County Highway Agency.