US Bridges

SR 32 over Flat Run

Fair

Brown County, Ohio · 3.2MI E of JCT Usr 68 · Structure no. 0800201

Built
1980
45 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
111 ft
3 main spans
Daily traffic
7,298
2015 count
Owner
State
State Highway Agency

About this bridge

SR 32 over Flat Run is a concrete continuous slab carrying SR 32 over Flat Run in Brown County, Ohio. It was built in 1980, so it is 45 years old, younger 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 7,298 vehicles a day, roughly 10% of them trucks, projected to reach 10,130 by 2035. The structure is 111 ft (33.8 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 32
CrossesFlat Run
Location3.2MI E of JCT Usr 68
RouteState Highway 32
CountyBrown County
StateOhio
Coordinates39.01963, -83.86051
Functional classRural Principal Arterial - Other

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length111 ft (33.8 m)
Longest span43 ft (13.1 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,298 (2015)
Projected traffic10,130 by 2035
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 32 over Flat Run built?

It was built in 1980, making it 45 years old in 2025.

What condition is SR 32 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 January 2025.

How much traffic does SR 32 over Flat Run carry?

About 7,298 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is SR 32 over Flat Run?

The structure is 111 ft (33.8 m) long with a longest span of 43 ft (13.1 m) and a deck 40 ft wide.

Who owns SR 32 over Flat Run?

It is owned by the State Highway Agency.