US Bridges

SR 73 over Rocky Fork Creek

Fair

Highland County, Ohio · .66 MI E of Hillsboro · Structure no. 3601684

Built
1952
73 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
105 ft
3 main spans
Daily traffic
3,448
2015 count
Owner
State
State Highway Agency

About this bridge

SR 73 over Rocky Fork Creek is a concrete continuous slab carrying SR 73 over Rocky Fork Creek in Highland County, Ohio. It was built in 1952, so it is 73 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 3,448 vehicles a day, roughly 6% of them trucks, projected to reach 4,786 by 2035. The structure is 105 ft (32 m) long and 38 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSR 73
CrossesRocky Fork Creek
Location.66 MI E of Hillsboro
RouteState Highway 73
CountyHighland County
StateOhio
Coordinates39.18363, -83.5929
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 within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length105 ft (32 m)
Longest span38 ft (11.6 m)
Deck width38 ft (11.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,448 (2015)
Projected traffic4,786 by 2035
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 73 over Rocky Fork Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is SR 73 over Rocky Fork Creek 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 73 over Rocky Fork Creek carry?

About 3,448 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR 73 over Rocky Fork Creek?

The structure is 105 ft (32 m) long with a longest span of 38 ft (11.6 m) and a deck 38 ft wide.

Who owns SR 73 over Rocky Fork Creek?

It is owned by the State Highway Agency.