US Bridges

US 30 over Black Fork Mohican River

Fair

Richland County, Ohio · 1.99 Miles East of Ir 71 · Structure no. 7001657

Built
1966
59 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
257 ft
4 main spans
Daily traffic
7,627
2015 count
Owner
State
State Highway Agency

About this bridge

US 30 over Black Fork Mohican River is a steel continuous stringer/multi-beam or girder carrying US 30 over Black Fork Mohican River in Richland County, Ohio. It was built in 1966, so it is 59 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 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 7,627 vehicles a day, roughly 25% of them trucks, projected to reach 10,586 by 2035. The structure is 257 ft (78.2 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 30
CrossesBlack Fork Mohican River
Location1.99 Miles East of Ir 71
RouteU.S. Route 30
StateOhio
Coordinates40.78115, -82.37877
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating34 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length257 ft (78.2 m)
Longest span70 ft (21.3 m)
Deck width34 ft (10.5 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,627 (2015)
Projected traffic10,586 by 2035
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 30 over Black Fork Mohican River built?

It was built in 1966, making it 59 years old in 2025.

What condition is US 30 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 May 2024.

How much traffic does US 30 over Black Fork Mohican River carry?

About 7,627 vehicles per day (2015 count), of which roughly 25% are trucks.

How long is US 30 over Black Fork Mohican River?

The structure is 257 ft (78.2 m) long with a longest span of 70 ft (21.3 m) and a deck 34 ft wide.

Who owns US 30 over Black Fork Mohican River?

It is owned by the State Highway Agency.