US Bridges

SR 12 over Cartwright Run

Good

Putnam County, Ohio · 4.17 Mi. North of SR 696 · Structure no. 6900283

Built
1988
37 years old
Condition
Good
inspected December 2024
Type
Slab
Concrete
Length
31 ft
1 main span
Daily traffic
1,597
2015 count
Owner
State
State Highway Agency

About this bridge

SR 12 over Cartwright Run is a concrete slab carrying SR 12 over Cartwright Run in Putnam County, Ohio. It was built in 1988, so it is 37 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 1,597 vehicles a day, roughly 7% of them trucks, projected to reach 2,217 by 2035. The structure is 31 ft (9.4 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR 12
CrossesCartwright Run
Location4.17 Mi. North of SR 696
RouteState Highway 12
CountyPutnam County
StateOhio
Coordinates40.96687, -83.90423
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating102.8 US tons
Inventory rating79.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length31 ft (9.4 m)
Longest span30 ft (9 m)
Deck width34 ft (10.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,597 (2015)
Projected traffic2,217 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 12 over Cartwright Run built?

It was built in 1988, making it 37 years old in 2025.

What condition is SR 12 over Cartwright Run 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 December 2024.

How much traffic does SR 12 over Cartwright Run carry?

About 1,597 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is SR 12 over Cartwright Run?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9 m) and a deck 34 ft wide.

Who owns SR 12 over Cartwright Run?

It is owned by the State Highway Agency.