US Bridges

I-70 over Mason Run

Fair

Franklin County, Ohio · 0.89 MI E. of James Rd. · Structure no. 2505401

Built
1967
58 years old, rebuilt 2003
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
65 ft
3 main spans
Daily traffic
45,455
2015 count
Owner
State
State Highway Agency

About this bridge

I-70 over Mason Run is a concrete continuous slab carrying I-70 over Mason Run 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 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 45,455 vehicles a day, roughly 8% of them trucks, projected to reach 63,092 by 2035. The structure is 65 ft (19.9 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-70
CrossesMason Run
Location0.89 MI E. of James Rd.
RouteInterstate 70
CountyFranklin County
StateOhio
Coordinates39.93356, -82.8993
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum 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 length65 ft (19.9 m)
Longest span25 ft (7.6 m)
Deck width63 ft (19.2 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,455 (2015)
Projected traffic63,092 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 Mason Run built?

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

What condition is I-70 over Mason Run 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 August 2024.

How much traffic does I-70 over Mason Run carry?

About 45,455 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is I-70 over Mason Run?

The structure is 65 ft (19.9 m) long with a longest span of 25 ft (7.6 m) and a deck 63 ft wide.

Who owns I-70 over Mason Run?

It is owned by the State Highway Agency.