US Bridges

SR 37 over Blanchard River

Good

Hancock County, Ohio · 1.33 MI N of Mt. Blanchar · Structure no. 3201716

Built
1959
66 years old, rebuilt 2004
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
187 ft
3 main spans
Daily traffic
2,353
2015 count
Owner
State
State Highway Agency

About this bridge

SR 37 over Blanchard River is a steel continuous stringer/multi-beam or girder carrying SR 37 over Blanchard River in Hancock County, Ohio. It was built in 1959 and reconstructed in 2004, so it is 66 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,353 vehicles a day, roughly 2% of them trucks, projected to reach 3,266 by 2035. The structure is 187 ft (57 m) long and 36 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesSR 37
CrossesBlanchard River
Location1.33 MI N of Mt. Blanchar
RouteState Highway 37
CountyHancock County
StateOhio
Coordinates40.92449, -83.55758
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating107.1 US tons
Inventory rating67.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length187 ft (57 m)
Longest span70 ft (21.3 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,353 (2015)
Projected traffic3,266 by 2035
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$45,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 37 over Blanchard River built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2004.

What condition is SR 37 over Blanchard River 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 March 2024.

How much traffic does SR 37 over Blanchard River carry?

About 2,353 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is SR 37 over Blanchard River?

The structure is 187 ft (57 m) long with a longest span of 70 ft (21.3 m) and a deck 36 ft wide.

Who owns SR 37 over Blanchard River?

It is owned by the State Highway Agency.