US Bridges

Ply-Springmill Rd. over Black Fork Mohican River

FairPosted for load

Richland County, Ohio · 0.5MI N of London W Rd. · Structure no. 7031300

Built
1965
60 years old, rebuilt 1998
Condition
Fair
inspected April 2024
Type
Truss - Thru
Steel
Length
91 ft
1 main span
Daily traffic
1,803
2018 count
Owner
County
County Highway Agency

About this bridge

Ply-Springmill Rd. over Black Fork Mohican River is a steel truss - thru carrying Ply-Springmill Rd. over Black Fork Mohican River in Richland County, Ohio. It was built in 1965 and reconstructed in 1998, so it is 60 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. Its operating status is: posted for load restriction.

It carries about 1,803 vehicles a day, roughly 7% of them trucks, projected to reach 2,503 by 2038. The structure is 91 ft (27.7 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesPly-Springmill Rd.
CrossesBlack Fork Mohican River
Location0.5MI N of London W Rd.
RouteCounty Highway C0191
CountyRichland County
StateOhio
Coordinates40.91597, -82.63349
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.5 US tons
Inventory rating17.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadOther
Structure length91 ft (27.7 m)
Longest span86 ft (26.2 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,803 (2018)
Projected traffic2,503 by 2038
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$255,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ply-Springmill Rd. over Black Fork Mohican River built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1998.

What condition is Ply-Springmill Rd. 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 April 2024.

How much traffic does Ply-Springmill Rd. over Black Fork Mohican River carry?

About 1,803 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Ply-Springmill Rd. over Black Fork Mohican River?

The structure is 91 ft (27.7 m) long with a longest span of 86 ft (26.2 m) and a deck 31 ft wide.

Who owns Ply-Springmill Rd. over Black Fork Mohican River?

It is owned by the County Highway Agency.