US Bridges

SR 39 over Black Fork of Mohican Ri

Fair

Richland County, Ohio · 1.63 Miles East of SR 603 · Structure no. 7002556

Built
1948
77 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
133 ft
3 main spans
Daily traffic
1,618
2015 count
Owner
State
State Highway Agency

About this bridge

SR 39 over Black Fork of Mohican Ri is a steel continuous stringer/multi-beam or girder carrying SR 39 over Black Fork of Mohican Ri in Richland County, Ohio. It was built in 1948, so it is 77 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 1,618 vehicles a day, roughly 18% of them trucks, projected to reach 2,246 by 2035. The structure is 133 ft (40.5 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR 39
CrossesBlack Fork of Mohican Ri
Location1.63 Miles East of SR 603
RouteState Highway 39
CountyRichland County
StateOhio
Coordinates40.70479, -82.35454
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 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 rating51 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length133 ft (40.5 m)
Longest span49 ft (14.9 m)
Deck width34 ft (10.5 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,618 (2015)
Projected traffic2,246 by 2035
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 39 over Black Fork of Mohican Ri built?

It was built in 1948, making it 77 years old in 2025.

What condition is SR 39 over Black Fork of Mohican Ri 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 SR 39 over Black Fork of Mohican Ri carry?

About 1,618 vehicles per day (2015 count), of which roughly 18% are trucks.

How long is SR 39 over Black Fork of Mohican Ri?

The structure is 133 ft (40.5 m) long with a longest span of 49 ft (14.9 m) and a deck 34 ft wide.

Who owns SR 39 over Black Fork of Mohican Ri?

It is owned by the State Highway Agency.