US Bridges

SR 529 over Riffle Creek

Fair

Marion County, Ohio · 4.55 Mi. E. of SR 95 · Structure no. 5103568

Built
1948
77 years old, rebuilt 1994
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
2,587
2015 count
Owner
State
State Highway Agency

About this bridge

SR 529 over Riffle Creek is a concrete continuous slab carrying SR 529 over Riffle Creek in Marion County, Ohio. It was built in 1948 and reconstructed in 1994, so it is 77 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 2,587 vehicles a day, roughly 5% of them trucks, projected to reach 3,591 by 2035. The structure is 93 ft (28.3 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 529
CrossesRiffle Creek
Location4.55 Mi. E. of SR 95
RouteState Highway 529
CountyMarion County
StateOhio
Coordinates40.54942, -83.04157
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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length93 ft (28.3 m)
Longest span35 ft (10.7 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,587 (2015)
Projected traffic3,591 by 2035
Trucks5%
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 529 over Riffle Creek built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1994.

What condition is SR 529 over Riffle 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 November 2024.

How much traffic does SR 529 over Riffle Creek carry?

About 2,587 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is SR 529 over Riffle Creek?

The structure is 93 ft (28.3 m) long with a longest span of 35 ft (10.7 m) and a deck 36 ft wide.

Who owns SR 529 over Riffle Creek?

It is owned by the State Highway Agency.