US Bridges

Township Road 470 over S Br Wolk Ck * Bloxha

Fair

Washington County, Ohio · 02 MI E of JCT T108 · Structure no. 8436150

Built
1900
125 years old, rebuilt 1992
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
351
2015 count
Owner
County
County Highway Agency

About this bridge

Township Road 470 over S Br Wolk Ck * Bloxha is a prestressed concrete box beam or girders - multiple carrying Township Road 470 over S Br Wolk Ck * Bloxha in Washington County, Ohio. It was built in 1900 and reconstructed in 1992, so it is 125 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 351 vehicles a day, roughly 7% of them trucks, projected to reach 487 by 2035. The structure is 49 ft (14.9 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesTownship Road 470
CrossesS Br Wolk Ck * Bloxha
Location02 MI E of JCT T108
RouteCounty Highway T0470
StateOhio
Coordinates39.4976, -81.66461
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating82.1 US tons
Inventory rating66.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span45 ft (13.7 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic351 (2015)
Projected traffic487 by 2035
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Township Road 470 over S Br Wolk Ck * Bloxha built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1992.

What condition is Township Road 470 over S Br Wolk Ck * Bloxha 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 Township Road 470 over S Br Wolk Ck * Bloxha carry?

About 351 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Township Road 470 over S Br Wolk Ck * Bloxha?

The structure is 49 ft (14.9 m) long with a longest span of 45 ft (13.7 m) and a deck 16 ft wide.

Who owns Township Road 470 over S Br Wolk Ck * Bloxha?

It is owned by the County Highway Agency.