US Bridges

County Road 80 over Blanchard River

Fair

Hardin County, Ohio · .1 MI E of JCT of CR 167 · Structure no. 3339475

Built
1956
69 years old, rebuilt 1984
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
477
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 80 over Blanchard River is a steel stringer/multi-beam or girder carrying County Road 80 over Blanchard River in Hardin County, Ohio. It was built in 1956 and reconstructed in 1984, so it is 69 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 477 vehicles a day, roughly 8% of them trucks, projected to reach 662 by 2038. The structure is 32 ft (9.7 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCounty Road 80
CrossesBlanchard River
Location.1 MI E of JCT of CR 167
RouteCounty Highway C0080
CountyHardin County
StateOhio
Coordinates40.7174, -83.58802
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length32 ft (9.7 m)
Longest span29 ft (8.9 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic477 (2018)
Projected traffic662 by 2038
Trucks8%
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 80 over Blanchard River built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1984.

What condition is County Road 80 over Blanchard 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 May 2024.

How much traffic does County Road 80 over Blanchard River carry?

About 477 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is County Road 80 over Blanchard River?

The structure is 32 ft (9.7 m) long with a longest span of 29 ft (8.9 m) and a deck 23 ft wide.

Who owns County Road 80 over Blanchard River?

It is owned by the County Highway Agency.