US Bridges

Gwynne RD over Gwynne RD over I-70

Good

Madison County, Ohio · 1.44 MI E of SR56 · Structure no. 4902467

Built
1970
55 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
282 ft
4 main spans
Daily traffic
266
2015 count
Owner
State
State Highway Agency

About this bridge

Gwynne RD over Gwynne RD over I-70 is a steel continuous stringer/multi-beam or girder carrying Gwynne RD over Gwynne RD over I-70 in Madison County, Ohio. It was built in 1970, 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 266 vehicles a day, roughly 8% of them trucks, projected to reach 66,788 by 2035. The structure is 282 ft (86.1 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesGwynne RD
CrossesGwynne RD over I-70
Location1.44 MI E of SR56
RouteCounty Highway 111
CountyMadison County
StateOhio
Coordinates39.9419, -83.47265
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length282 ft (86.1 m)
Longest span82 ft (25 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic266 (2015)
Projected traffic66,788 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 Gwynne RD over Gwynne RD over I-70 built?

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

What condition is Gwynne RD over Gwynne RD over I-70 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 June 2023.

How much traffic does Gwynne RD over Gwynne RD over I-70 carry?

About 266 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Gwynne RD over Gwynne RD over I-70?

The structure is 282 ft (86.1 m) long with a longest span of 82 ft (25 m) and a deck 30 ft wide.

Who owns Gwynne RD over Gwynne RD over I-70?

It is owned by the State Highway Agency.