US Bridges

Blackwood RD over Blkwd Cvd Brg Pratt Fork

PoorPosted for load

Athens County, Ohio · Covered Bridge · Structure no. 0549568

Built
1879
146 years old
Condition
Poor
inspected November 2024
Type
Truss - Thru
Wood or Timber
Length
70 ft
1 main span
Daily traffic
209
2015 count
Owner
County
County Highway Agency

About this bridge

Blackwood RD over Blkwd Cvd Brg Pratt Fork is a wood or timber truss - thru carrying Blackwood RD over Blkwd Cvd Brg Pratt Fork in Athens County, Ohio. It was built in 1879, so it is 146 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 209 vehicles a day, roughly 7% of them trucks, projected to reach 290 by 2042. The structure is 70 ft (21.3 m) long and 14 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesBlackwood RD
CrossesBlkwd Cvd Brg Pratt Fork
LocationCovered Bridge
RouteCounty Highway C046C
StateOhio
Coordinates39.19719, -81.97467
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
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 inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating8.3 US tons
Inventory rating5.8 US tons

Structure

Structure typeTruss - Thru
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span70 ft (21.3 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deck13 ft (4 m)

Traffic and service

Average daily traffic209 (2015)
Projected traffic290 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 statusListed on the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$120,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Blackwood RD over Blkwd Cvd Brg Pratt Fork built?

It was built in 1879, making it 146 years old in 2025.

What condition is Blackwood RD over Blkwd Cvd Brg Pratt Fork in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Blackwood RD over Blkwd Cvd Brg Pratt Fork carry?

About 209 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Blackwood RD over Blkwd Cvd Brg Pratt Fork?

The structure is 70 ft (21.3 m) long with a longest span of 70 ft (21.3 m) and a deck 14 ft wide.

Who owns Blackwood RD over Blkwd Cvd Brg Pratt Fork?

It is owned by the County Highway Agency.