US Bridges

SR 588 over Ryan Run

Fair

Gallia County, Ohio · 1.96M E of JCT SR 850 · Structure no. 2700840

Built
1950
75 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
5,285
2015 count
Owner
State
State Highway Agency

About this bridge

SR 588 over Ryan Run is a concrete continuous slab carrying SR 588 over Ryan Run in Gallia County, Ohio. It was built in 1950, so it is 75 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 5,285 vehicles a day, roughly 6% of them trucks, projected to reach 7,336 by 2035. The structure is 100 ft (30.5 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 588
CrossesRyan Run
Location1.96M E of JCT SR 850
RouteState Highway 588
StateOhio
Coordinates38.85843, -82.33736
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating31.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length100 ft (30.5 m)
Longest span38 ft (11.6 m)
Deck width34 ft (10.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,285 (2015)
Projected traffic7,336 by 2035
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 588 over Ryan Run built?

It was built in 1950, making it 75 years old in 2025.

What condition is SR 588 over Ryan 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 588 over Ryan Run carry?

About 5,285 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR 588 over Ryan Run?

The structure is 100 ft (30.5 m) long with a longest span of 38 ft (11.6 m) and a deck 34 ft wide.

Who owns SR 588 over Ryan Run?

It is owned by the State Highway Agency.