US Bridges

County RD 339 over Osborn RD Ov Mad River

Fair

Clark County, Ohio · 1/2 Mile South Lo-Valley · Structure no. 1249169

Built
1989
36 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
281 ft
4 main spans
Daily traffic
1,480
2015 count
Owner
County
County Highway Agency

About this bridge

County RD 339 over Osborn RD Ov Mad River is a prestressed concrete box beam or girders - multiple carrying County RD 339 over Osborn RD Ov Mad River in Clark County, Ohio. It was built in 1989, so it is 36 years old, younger 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 1,480 vehicles a day, roughly 8% of them trucks, projected to reach 2,054 by 2035. The structure is 281 ft (85.6 m) long and 32 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCounty RD 339
CrossesOsborn RD Ov Mad River
Location1/2 Mile South Lo-Valley
RouteCounty Highway C0339
StateOhio
Coordinates39.84963, -84.0365
Functional classRural Minor 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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating60.7 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length281 ft (85.6 m)
Longest span69 ft (21 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,480 (2015)
Projected traffic2,054 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County RD 339 over Osborn RD Ov Mad River built?

It was built in 1989, making it 36 years old in 2025.

What condition is County RD 339 over Osborn RD Ov Mad River 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 October 2024.

How much traffic does County RD 339 over Osborn RD Ov Mad River carry?

About 1,480 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is County RD 339 over Osborn RD Ov Mad River?

The structure is 281 ft (85.6 m) long with a longest span of 69 ft (21 m) and a deck 32 ft wide.

Who owns County RD 339 over Osborn RD Ov Mad River?

It is owned by the County Highway Agency.