US Bridges

I-70 over Big Walnut Creek

Good

Franklin County, Ohio · 0.75 MI E of SR317 · Structure no. 2505584

Built
1967
58 years old, rebuilt 2003
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
232 ft
3 main spans
Daily traffic
46,392
2015 count
Owner
State
State Highway Agency

About this bridge

I-70 over Big Walnut Creek is a prestressed concrete stringer/multi-beam or girder carrying I-70 over Big Walnut Creek in Franklin County, Ohio. It was built in 1967 and reconstructed in 2003, so it is 58 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 46,392 vehicles a day, roughly 8% of them trucks, projected to reach 64,392 by 2035. The structure is 232 ft (70.6 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-70
CrossesBig Walnut Creek
Location0.75 MI E of SR317
RouteInterstate 70
StateOhio
Coordinates39.93573, -82.86476
Functional classUrban Principal Arterial - Interstate

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 protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length232 ft (70.6 m)
Longest span74 ft (22.6 m)
Deck width63 ft (19.2 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,392 (2015)
Projected traffic64,392 by 2035
Trucks8%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-70 over Big Walnut Creek built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2003.

What condition is I-70 over Big Walnut Creek 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 July 2023.

How much traffic does I-70 over Big Walnut Creek carry?

About 46,392 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is I-70 over Big Walnut Creek?

The structure is 232 ft (70.6 m) long with a longest span of 74 ft (22.6 m) and a deck 63 ft wide.

Who owns I-70 over Big Walnut Creek?

It is owned by the State Highway Agency.