US Bridges

SR 603 over Rocky Fork

Fair

Richland County, Ohio · 3.78 MI N of SR 95 · Structure no. 7007051

Built
1966
59 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
159 ft
3 main spans
Daily traffic
657
2015 count
Owner
State
State Highway Agency

About this bridge

SR 603 over Rocky Fork is a steel continuous stringer/multi-beam or girder carrying SR 603 over Rocky Fork in Richland County, Ohio. It was built in 1966, so it is 59 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.

It carries about 657 vehicles a day, roughly 11% of them trucks, projected to reach 912 by 2035. The structure is 159 ft (48.5 m) long and 36 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSR 603
CrossesRocky Fork
Location3.78 MI N of SR 95
RouteState Highway 603
CountyRichland County
StateOhio
Coordinates40.69859, -82.37842
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating33.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length159 ft (48.5 m)
Longest span58 ft (17.7 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic657 (2015)
Projected traffic912 by 2035
Trucks11%
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 603 over Rocky Fork built?

It was built in 1966, making it 59 years old in 2025.

What condition is SR 603 over Rocky Fork 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 May 2024.

How much traffic does SR 603 over Rocky Fork carry?

About 657 vehicles per day (2015 count), of which roughly 11% are trucks.

How long is SR 603 over Rocky Fork?

The structure is 159 ft (48.5 m) long with a longest span of 58 ft (17.7 m) and a deck 36 ft wide.

Who owns SR 603 over Rocky Fork?

It is owned by the State Highway Agency.