US Bridges

SR 115 over John E Miller Ditch

Fair

Putnam County, Ohio · 4.1 Mi. South of USR224 · Structure no. 6901174

Built
1934
91 years old, rebuilt 1970
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
3,165
2015 count
Owner
State
State Highway Agency

About this bridge

SR 115 over John E Miller Ditch is a concrete slab carrying SR 115 over John E Miller Ditch in Putnam County, Ohio. It was built in 1934 and reconstructed in 1970, so it is 91 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 3,165 vehicles a day, roughly 12% of them trucks, projected to reach 4,393 by 2035. The structure is 27 ft (8.2 m) long and 36 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesSR 115
CrossesJohn E Miller Ditch
Location4.1 Mi. South of USR224
RouteState Highway 115
StateOhio
Coordinates40.93231, -84.1584
Functional classRural Major Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.1 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length27 ft (8.2 m)
Longest span22 ft (6.7 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,165 (2015)
Projected traffic4,393 by 2035
Trucks12%
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 115 over John E Miller Ditch built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1970.

What condition is SR 115 over John E Miller 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 SR 115 over John E Miller Ditch carry?

About 3,165 vehicles per day (2015 count), of which roughly 12% are trucks.

How long is SR 115 over John E Miller Ditch?

The structure is 27 ft (8.2 m) long with a longest span of 22 ft (6.7 m) and a deck 36 ft wide.

Who owns SR 115 over John E Miller Ditch?

It is owned by the State Highway Agency.