US Bridges

SR 134 over Flat Run

Fair

Highland County, Ohio · 1.73 MI N of Brown Cty · Structure no. 3602281

Built
1958
67 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
99 ft
3 main spans
Daily traffic
1,016
2015 count
Owner
State
State Highway Agency

About this bridge

SR 134 over Flat Run is a concrete continuous slab carrying SR 134 over Flat Run in Highland County, Ohio. It was built in 1958, so it is 67 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 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 1,016 vehicles a day, roughly 7% of them trucks, projected to reach 1,410 by 2035. The structure is 99 ft (30.2 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 134
CrossesFlat Run
Location1.73 MI N of Brown Cty
RouteState Highway 134
CountyHighland County
StateOhio
Coordinates39.03841, -83.8302
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating39.2 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length99 ft (30.2 m)
Longest span35 ft (10.7 m)
Deck width29 ft (8.8 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,016 (2015)
Projected traffic1,410 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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 134 over Flat Run built?

It was built in 1958, making it 67 years old in 2025.

What condition is SR 134 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 April 2024.

How much traffic does SR 134 over Flat Run carry?

About 1,016 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is SR 134 over Flat Run?

The structure is 99 ft (30.2 m) long with a longest span of 35 ft (10.7 m) and a deck 29 ft wide.

Who owns SR 134 over Flat Run?

It is owned by the State Highway Agency.