US Bridges

Gallia Blackfork over Blackfork CR

Fair

Jackson County, Ohio · 1.25 MI S of SR233 · Structure no. 4031709

Built
1953
72 years old, rebuilt 2003
Condition
Fair
inspected May 2024
Type
Truss - Thru
Steel
Length
56 ft
1 main span
Daily traffic
89
2012 count
Owner
County
County Highway Agency

About this bridge

Gallia Blackfork over Blackfork CR is a steel truss - thru carrying Gallia Blackfork over Blackfork CR in Jackson County, Ohio. It was built in 1953 and reconstructed in 2003, so it is 72 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 89 vehicles a day, roughly 81% of them trucks, projected to reach 124 by 2032. The structure is 56 ft (17.1 m) long and 18 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesGallia Blackfork
CrossesBlackfork CR
Location1.25 MI S of SR233
RouteCounty Highway C0065
StateOhio
Coordinates38.85663, -82.55962
Functional classRural Local

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.
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 evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.9 US tons
Inventory rating38.3 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length56 ft (17.1 m)
Longest span52 ft (15.9 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic89 (2012)
Projected traffic124 by 2032
Trucks81%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Gallia Blackfork over Blackfork CR built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2003.

What condition is Gallia Blackfork over Blackfork CR 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 Gallia Blackfork over Blackfork CR carry?

About 89 vehicles per day (2012 count), of which roughly 81% are trucks.

How long is Gallia Blackfork over Blackfork CR?

The structure is 56 ft (17.1 m) long with a longest span of 52 ft (15.9 m) and a deck 18 ft wide.

Who owns Gallia Blackfork over Blackfork CR?

It is owned by the County Highway Agency.