US Bridges

Plainfield RD CR-7 over Ir 70

Good

Belmont County, Ohio · 2.22 Mi.W.Sr 331 · Structure no. 0702315

Built
1964
61 years old, rebuilt 2017
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
263 ft
4 main spans
Daily traffic
460
2015 count
Owner
State
State Highway Agency

About this bridge

Plainfield RD CR-7 over Ir 70 is a steel continuous stringer/multi-beam or girder carrying Plainfield RD CR-7 over Ir 70 in Belmont County, Ohio. It was built in 1964 and reconstructed in 2017, 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 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 460 vehicles a day, roughly 3% of them trucks, projected to reach 605 by 2035. The structure is 263 ft (80.3 m) long and 38 ft wide.

CarriesPlainfield RD CR-7
CrossesIr 70
Location2.22 Mi.W.Sr 331
RouteCounty Highway 78
StateOhio
Coordinates40.06331, -81.00536
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length263 ft (80.3 m)
Longest span76 ft (23.2 m)
Deck width38 ft (11.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic460 (2015)
Projected traffic605 by 2035
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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 Plainfield RD CR-7 over Ir 70 built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2017.

What condition is Plainfield RD CR-7 over Ir 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 May 2023.

How much traffic does Plainfield RD CR-7 over Ir 70 carry?

About 460 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is Plainfield RD CR-7 over Ir 70?

The structure is 263 ft (80.3 m) long with a longest span of 76 ft (23.2 m) and a deck 38 ft wide.

Who owns Plainfield RD CR-7 over Ir 70?

It is owned by the State Highway Agency.