US Bridges

County Road N over Auglaize River

Fair

Putnam County, Ohio · 0.10 MI E of TR 22-K · Structure no. 6930360

Built
1969
56 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
230 ft
4 main spans
Daily traffic
334
2015 count
Owner
County
County Highway Agency

About this bridge

County Road N over Auglaize River is a steel continuous stringer/multi-beam or girder carrying County Road N over Auglaize River in Putnam County, Ohio. It was built in 1969, so it is 56 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 334 vehicles a day, roughly 7% of them trucks, projected to reach 464 by 2035. The structure is 230 ft (70.1 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCounty Road N
CrossesAuglaize River
Location0.10 MI E of TR 22-K
RouteCounty Highway 0N
CountyPutnam County
StateOhio
Coordinates40.97598, -84.25371
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating23.3 US tons
Inventory rating13.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckCorrugated steel
Main spans4
Design loadH 20
Structure length230 ft (70.1 m)
Longest span63 ft (19.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic334 (2015)
Projected traffic464 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Auglaize River built?

It was built in 1969, making it 56 years old in 2025.

What condition is County Road N over Auglaize River 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 November 2024.

How much traffic does County Road N over Auglaize River carry?

About 334 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is County Road N over Auglaize River?

The structure is 230 ft (70.1 m) long with a longest span of 63 ft (19.2 m) and a deck 30 ft wide.

Who owns County Road N over Auglaize River?

It is owned by the County Highway Agency.