US Bridges

Wash Jackson RD over Seven Mile Creek

Poor

Preble County, Ohio · .15 W of Ch 11 · Structure no. 6839452

Built
1900
125 years old, rebuilt 1967
Condition
Poor
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
4,665
2015 count
Owner
County
County Highway Agency

About this bridge

Wash Jackson RD over Seven Mile Creek is a prestressed concrete box beam or girders - multiple carrying Wash Jackson RD over Seven Mile Creek in Preble County, Ohio. It was built in 1900 and reconstructed in 1967, 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 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.

It carries about 4,665 vehicles a day, roughly 5% of them trucks, projected to reach 6,475 by 2035. The structure is 69 ft (21 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesWash Jackson RD
CrossesSeven Mile Creek
Location.15 W of Ch 11
RouteCounty Highway C0050
StateOhio
Coordinates39.76577, -84.65351
Functional classUrban 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
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.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.6 US tons
Inventory rating18.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length69 ft (21 m)
Longest span66 ft (20.1 m)
Deck width22 ft (6.8 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,665 (2015)
Projected traffic6,475 by 2035
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Wash Jackson RD over Seven Mile Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1967.

What condition is Wash Jackson RD over Seven Mile Creek 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 October 2024.

How much traffic does Wash Jackson RD over Seven Mile Creek carry?

About 4,665 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Wash Jackson RD over Seven Mile Creek?

The structure is 69 ft (21 m) long with a longest span of 66 ft (20.1 m) and a deck 22 ft wide.

Who owns Wash Jackson RD over Seven Mile Creek?

It is owned by the County Highway Agency.