US Bridges

SR 603 over Branch of Black Fork Rv

Fair

Ashland County, Ohio · 0.94 MI N Ric CO Line · Structure no. 0305790

Built
1958
67 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
31 ft
1 main span
Daily traffic
1,373
2015 count
Owner
State
State Highway Agency

About this bridge

SR 603 over Branch of Black Fork Rv is a concrete slab carrying SR 603 over Branch of Black Fork Rv in Ashland 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 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 1,373 vehicles a day, roughly 9% of them trucks, projected to reach 1,906 by 2035. The structure is 31 ft (9.4 m) long and 40 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR 603
CrossesBranch of Black Fork Rv
Location0.94 MI N Ric CO Line
RouteState Highway 603
StateOhio
Coordinates40.7381, -82.36107
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length31 ft (9.4 m)
Longest span28 ft (8.5 m)
Deck width40 ft (12.2 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,373 (2015)
Projected traffic1,906 by 2035
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Branch of Black Fork Rv built?

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

What condition is SR 603 over Branch of Black Fork Rv 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 September 2024.

How much traffic does SR 603 over Branch of Black Fork Rv carry?

About 1,373 vehicles per day (2015 count), of which roughly 9% are trucks.

How long is SR 603 over Branch of Black Fork Rv?

The structure is 31 ft (9.4 m) long with a longest span of 28 ft (8.5 m) and a deck 40 ft wide.

Who owns SR 603 over Branch of Black Fork Rv?

It is owned by the State Highway Agency.