US Bridges

SR 56 over I-71

Fair

Madison County, Ohio · 2.72 MI W. of SR323 · Structure no. 4901959

Built
1964
61 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
292 ft
4 main spans
Daily traffic
2,867
2015 count
Owner
State
State Highway Agency

About this bridge

SR 56 over I-71 is a steel continuous stringer/multi-beam or girder carrying SR 56 over I-71 in Madison County, Ohio. It was built in 1964, so it is 61 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 5 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 2,867 vehicles a day, roughly 13% of them trucks, projected to reach 3,979 by 2035. The structure is 292 ft (89 m) long and 36 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesSR 56
CrossesI-71
Location2.72 MI W. of SR323
RouteState Highway 56
CountyMadison County
StateOhio
Coordinates39.75821, -83.3037
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length292 ft (89 m)
Longest span82 ft (25 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,867 (2015)
Projected traffic3,979 by 2035
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 56 over I-71 built?

It was built in 1964, making it 61 years old in 2025.

What condition is SR 56 over I-71 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 July 2024.

How much traffic does SR 56 over I-71 carry?

About 2,867 vehicles per day (2015 count), of which roughly 13% are trucks.

How long is SR 56 over I-71?

The structure is 292 ft (89 m) long with a longest span of 82 ft (25 m) and a deck 36 ft wide.

Who owns SR 56 over I-71?

It is owned by the State Highway Agency.