US Bridges

C-308 over ST Paris Pk Ov Mad River

Good

Clark County, Ohio · 1 Mile So of Eagle City R · Structure no. 1235567

Built
2008
17 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
198 ft
3 main spans
Daily traffic
1,610
2015 count
Owner
County
County Highway Agency

About this bridge

C-308 over ST Paris Pk Ov Mad River is a concrete box beam or girders - multiple carrying C-308 over ST Paris Pk Ov Mad River in Clark County, Ohio. It was built in 2008, so it is 17 years old, younger 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 1,610 vehicles a day, roughly 1% of them trucks, projected to reach 2,235 by 2035. The structure is 198 ft (60.4 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesC-308
CrossesST Paris Pk Ov Mad River
Location1 Mile So of Eagle City R
RouteCounty Highway C-308
StateOhio
Coordinates39.96427, -83.83159
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.8 US tons
Inventory rating53.6 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length198 ft (60.4 m)
Longest span75 ft (22.9 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,610 (2015)
Projected traffic2,235 by 2035
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 C-308 over ST Paris Pk Ov Mad River built?

It was built in 2008, making it 17 years old in 2025.

What condition is C-308 over ST Paris Pk Ov Mad River 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 September 2024.

How much traffic does C-308 over ST Paris Pk Ov Mad River carry?

About 1,610 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is C-308 over ST Paris Pk Ov Mad River?

The structure is 198 ft (60.4 m) long with a longest span of 75 ft (22.9 m) and a deck 32 ft wide.

Who owns C-308 over ST Paris Pk Ov Mad River?

It is owned by the County Highway Agency.