US Bridges

CR 39 over South Fork Miami River

FairPosted for load

Logan County, Ohio · .56 M N of TR 51 · Structure no. 4633555

Built
1973
52 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
95 ft
3 main spans
Daily traffic
694
2015 count
Owner
County
County Highway Agency

About this bridge

CR 39 over South Fork Miami River is a steel continuous stringer/multi-beam or girder carrying CR 39 over South Fork Miami River in Logan County, Ohio. It was built in 1973, so it is 52 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 694 vehicles a day, roughly 8% of them trucks, projected to reach 963 by 2035. The structure is 95 ft (29 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 39
CrossesSouth Fork Miami River
Location.56 M N of TR 51
RouteCounty Highway C0039
StateOhio
Coordinates40.50142, -83.75297
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating28.5 US tons

Structure

MaterialSteel Continuous
DeckCorrugated steel
Main spans3
Design loadHS 20 + Mod
Structure length95 ft (29 m)
Longest span35 ft (10.7 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic694 (2015)
Projected traffic963 by 2035
Trucks8%
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

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 CR 39 over South Fork Miami River built?

It was built in 1973, making it 52 years old in 2025.

What condition is CR 39 over South Fork Miami 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 November 2024.

How much traffic does CR 39 over South Fork Miami River carry?

About 694 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is CR 39 over South Fork Miami River?

The structure is 95 ft (29 m) long with a longest span of 35 ft (10.7 m) and a deck 30 ft wide.

Who owns CR 39 over South Fork Miami River?

It is owned by the County Highway Agency.