US Bridges

SR-4 over Ramp C Conrailrr Rock Ru

Good

Clark County, Ohio · .28MI.SW of JCT.USR-40 · Structure no. 1200305

Built
1958
67 years old, rebuilt 2005
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
492 ft
6 main spans
Daily traffic
10,606
2015 count
Owner
State
State Highway Agency

About this bridge

SR-4 over Ramp C Conrailrr Rock Ru is a steel continuous stringer/multi-beam or girder carrying SR-4 over Ramp C Conrailrr Rock Ru in Clark County, Ohio. It was built in 1958 and reconstructed in 2005, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,606 vehicles a day, roughly 7% of them trucks, projected to reach 14,721 by 2035. The structure is 492 ft (150 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR-4
CrossesRamp C Conrailrr Rock Ru
Location.28MI.SW of JCT.USR-40
RouteState Highway 4
CountyClark County
StateOhio
Coordinates39.92467, -83.86956
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 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 geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating32.2 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 25 or greater
Structure length492 ft (150 m)
Longest span90 ft (27.5 m)
Deck width52 ft (15.8 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,606 (2015)
Projected traffic14,721 by 2035
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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-4 over Ramp C Conrailrr Rock Ru built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2005.

What condition is SR-4 over Ramp C Conrailrr Rock Ru in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does SR-4 over Ramp C Conrailrr Rock Ru carry?

About 10,606 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is SR-4 over Ramp C Conrailrr Rock Ru?

The structure is 492 ft (150 m) long with a longest span of 90 ft (27.5 m) and a deck 52 ft wide.

Who owns SR-4 over Ramp C Conrailrr Rock Ru?

It is owned by the State Highway Agency.