US Bridges

County Road 3175 over Black Fork Mohican River

Fair

Ashland County, Ohio · .06 Mi. S of SR 3 · Structure no. 0331430

Built
1986
39 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
158 ft
3 main spans
Daily traffic
768
2013 count
Owner
County
County Highway Agency

About this bridge

County Road 3175 over Black Fork Mohican River is a steel continuous stringer/multi-beam or girder carrying County Road 3175 over Black Fork Mohican River in Ashland County, Ohio. It was built in 1986, so it is 39 years old, younger 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 6 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 768 vehicles a day, roughly 9% of them trucks, projected to reach 1,066 by 2033. The structure is 158 ft (48.2 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCounty Road 3175
CrossesBlack Fork Mohican River
Location.06 Mi. S of SR 3
RouteCity Street 3175
CountyAshland County
StateOhio
Coordinates40.61984, -82.24636
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length158 ft (48.2 m)
Longest span60 ft (18.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic768 (2013)
Projected traffic1,066 by 2033
Trucks9%
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 3175 over Black Fork Mohican River built?

It was built in 1986, making it 39 years old in 2025.

What condition is County Road 3175 over Black Fork Mohican 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 October 2024.

How much traffic does County Road 3175 over Black Fork Mohican River carry?

About 768 vehicles per day (2013 count), of which roughly 9% are trucks.

How long is County Road 3175 over Black Fork Mohican River?

The structure is 158 ft (48.2 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.

Who owns County Road 3175 over Black Fork Mohican River?

It is owned by the County Highway Agency.