US Bridges

EB I-70 over IR70 over Blacklick Ck

Fair

Fairfield County, Ohio · .4 M W of JCT SR 256 · Structure no. 2301598

Built
1967
58 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
114 ft
3 main spans
Daily traffic
50,351
2015 count
Owner
State
State Highway Agency

About this bridge

EB I-70 over IR70 over Blacklick Ck is a steel continuous stringer/multi-beam or girder carrying EB I-70 over IR70 over Blacklick Ck in Fairfield County, Ohio. It was built in 1967, 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 50,351 vehicles a day, roughly 14% of them trucks, projected to reach 69,887 by 2035. The structure is 114 ft (34.7 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesEB I-70
CrossesIR70 over Blacklick Ck
Location.4 M W of JCT SR 256
RouteInterstate 70
CountyFairfield County
StateOhio
Coordinates39.93191, -82.7958
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length114 ft (34.7 m)
Longest span43 ft (13.1 m)
Deck width54 ft (16.6 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,351 (2015)
Projected traffic69,887 by 2035
Trucks14%
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 EB I-70 over IR70 over Blacklick Ck built?

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

What condition is EB I-70 over IR70 over Blacklick Ck 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 EB I-70 over IR70 over Blacklick Ck carry?

About 50,351 vehicles per day (2015 count), of which roughly 14% are trucks.

How long is EB I-70 over IR70 over Blacklick Ck?

The structure is 114 ft (34.7 m) long with a longest span of 43 ft (13.1 m) and a deck 54 ft wide.

Who owns EB I-70 over IR70 over Blacklick Ck?

It is owned by the State Highway Agency.