US Bridges

County Road N over Dog Creek

GoodPosted for load

Putnam County, Ohio · 0.06 MI E of RD 28 · Structure no. 6930417

Built
1970
55 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
1 main span
Daily traffic
351
2015 count
Owner
County
County Highway Agency

About this bridge

County Road N over Dog Creek is a steel stringer/multi-beam or girder carrying County Road N over Dog Creek in Putnam County, Ohio. It was built in 1970, so it is 55 years old, older 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. Its operating status is: posted for load restriction.

It carries about 351 vehicles a day, roughly 7% of them trucks, projected to reach 487 by 2035. The structure is 61 ft (18.6 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Road N
CrossesDog Creek
Location0.06 MI E of RD 28
RouteCounty Highway 0N
StateOhio
Coordinates40.97556, -84.39807
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25.4 US tons
Inventory rating15.3 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20 + Mod
Structure length61 ft (18.6 m)
Longest span58 ft (17.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic351 (2015)
Projected traffic487 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

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 County Road N over Dog Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is County Road N over Dog Creek 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 November 2024.

How much traffic does County Road N over Dog Creek carry?

About 351 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is County Road N over Dog Creek?

The structure is 61 ft (18.6 m) long with a longest span of 58 ft (17.7 m) and a deck 26 ft wide.

Who owns County Road N over Dog Creek?

It is owned by the County Highway Agency.