US Bridges

Blackwood RD over Pratt Fork

Fair

Athens County, Ohio · W of Int Zion & Blackwood · Structure no. 0549541

Built
1976
49 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
96
2015 count
Owner
County
County Highway Agency

About this bridge

Blackwood RD over Pratt Fork is a prestressed concrete box beam or girders - multiple carrying Blackwood RD over Pratt Fork in Athens County, Ohio. It was built in 1976, so it is 49 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 96 vehicles a day, roughly 7% of them trucks, projected to reach 133 by 2042. The structure is 53 ft (16.2 m) long and 17 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesBlackwood RD
CrossesPratt Fork
LocationW of Int Zion & Blackwood
RouteCounty Highway C0046
CountyAthens County
StateOhio
Coordinates39.19662, -81.9747
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating31.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length53 ft (16.2 m)
Longest span51 ft (15.5 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2015)
Projected traffic133 by 2042
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Blackwood RD over Pratt Fork built?

It was built in 1976, making it 49 years old in 2025.

What condition is Blackwood RD over Pratt Fork 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 Blackwood RD over Pratt Fork carry?

About 96 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Blackwood RD over Pratt Fork?

The structure is 53 ft (16.2 m) long with a longest span of 51 ft (15.5 m) and a deck 17 ft wide.

Who owns Blackwood RD over Pratt Fork?

It is owned by the County Highway Agency.