US Bridges

SR 511 over Boyd Ditch

Good

Ashland County, Ohio · .8 MI N of US224 · Structure no. 0305715

Built
1989
36 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
2,292
2015 count
Owner
State
State Highway Agency

About this bridge

SR 511 over Boyd Ditch is a prestressed concrete box beam or girders - multiple carrying SR 511 over Boyd Ditch in Ashland County, Ohio. It was built in 1989, so it is 36 years old, younger than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,292 vehicles a day, roughly 8% of them trucks, projected to reach 3,181 by 2035. The structure is 43 ft (13.1 m) long and 34 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesSR 511
CrossesBoyd Ditch
Location.8 MI N of US224
RouteState Highway 511
StateOhio
Coordinates41.04095, -82.30463
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating29.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length43 ft (13.1 m)
Longest span42 ft (12.8 m)
Deck width34 ft (10.4 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,292 (2015)
Projected traffic3,181 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 511 over Boyd Ditch built?

It was built in 1989, making it 36 years old in 2025.

What condition is SR 511 over Boyd Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does SR 511 over Boyd Ditch carry?

About 2,292 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is SR 511 over Boyd Ditch?

The structure is 43 ft (13.1 m) long with a longest span of 42 ft (12.8 m) and a deck 34 ft wide.

Who owns SR 511 over Boyd Ditch?

It is owned by the State Highway Agency.