US Bridges

Louisville Road over Flat Run

FairPosted for load

Adams County, Ohio · 1 Mi. N.W. of JCT SR 770 · Structure no. 0133434

Built
1930
95 years old, rebuilt 1974
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
385
2015 count
Owner
County
County Highway Agency

About this bridge

Louisville Road over Flat Run is a steel stringer/multi-beam or girder carrying Louisville Road over Flat Run in Adams County, Ohio. It was built in 1930 and reconstructed in 1974, so it is 95 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. Its operating status is: posted for load restriction.

It carries about 385 vehicles a day, roughly 8% of them trucks, projected to reach 534 by 2035. The structure is 38 ft (11.6 m) long and 16 ft wide.

Location

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CarriesLouisville Road
CrossesFlat Run
Location1 Mi. N.W. of JCT SR 770
RouteCounty Highway 0C15A
CountyAdams County
StateOhio
Coordinates39.02215, -83.52557
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 alignment7: Better than present minimum criteria
Operating rating7.2 US tons
Inventory rating3.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span32 ft (9.8 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic385 (2015)
Projected traffic534 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Louisville Road over Flat Run built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1974.

What condition is Louisville Road over Flat Run 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 October 2024.

How much traffic does Louisville Road over Flat Run carry?

About 385 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Louisville Road over Flat Run?

The structure is 38 ft (11.6 m) long with a longest span of 32 ft (9.8 m) and a deck 16 ft wide.

Who owns Louisville Road over Flat Run?

It is owned by the County Highway Agency.