US Bridges

Central College RD over Big Walnut(central Coll)

Good

Franklin County, Ohio · .27 MI East of Sunbury RD · Structure no. 2531550

Built
1970
55 years old, rebuilt 2010
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
203 ft
4 main spans
Daily traffic
7,489
2015 count
Owner
County
County Highway Agency

About this bridge

Central College RD over Big Walnut(central Coll) is a prestressed concrete box beam or girders - multiple carrying Central College RD over Big Walnut(central Coll) in Franklin County, Ohio. It was built in 1970 and reconstructed in 2010, so it is 55 years old, older 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,489 vehicles a day, roughly 7% of them trucks, projected to reach 10,395 by 2035. The structure is 203 ft (61.9 m) long and 40 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCentral College RD
CrossesBig Walnut(central Coll)
Location.27 MI East of Sunbury RD
RouteCounty Highway C0018
CountyFranklin County
StateOhio
Coordinates40.10278, -82.88361
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.5 US tons
Inventory rating25 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length203 ft (61.9 m)
Longest span71 ft (21.6 m)
Deck width40 ft (12.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,489 (2015)
Projected traffic10,395 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Central College RD over Big Walnut(central Coll) built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2010.

What condition is Central College RD over Big Walnut(central Coll) 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 December 2024.

How much traffic does Central College RD over Big Walnut(central Coll) carry?

About 7,489 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Central College RD over Big Walnut(central Coll)?

The structure is 203 ft (61.9 m) long with a longest span of 71 ft (21.6 m) and a deck 40 ft wide.

Who owns Central College RD over Big Walnut(central Coll)?

It is owned by the County Highway Agency.