US Bridges

Riverdale Road over Grand River

FairPosted for load

Ashtabula County, Ohio · 1.2 Mi. E. of CH9 · Structure no. 0432849

Built
1874
151 years old
Condition
Fair
inspected May 2024
Type
Girder and Floorbeam System
Wood or Timber
Length
114 ft
2 main spans
Daily traffic
148
2015 count
Owner
County
County Highway Agency

About this bridge

Riverdale Road over Grand River is a wood or timber girder and floorbeam system carrying Riverdale Road over Grand River in Ashtabula County, Ohio. It was built in 1874, so it is 151 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. Its operating status is: posted for other load-capacity restriction.

It carries about 148 vehicles a day, roughly 8% of them trucks, projected to reach 205 by 2035. The structure is 114 ft (34.7 m) long and 14 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesRiverdale Road
CrossesGrand River
Location1.2 Mi. E. of CH9
RouteCounty Highway T069G
CountyAshtabula County
StateOhio
Coordinates41.67333, -80.87194
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.6 US tons
Inventory rating32.2 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length114 ft (34.7 m)
Longest span55 ft (16.8 m)
Deck width14 ft (4.4 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic148 (2015)
Projected traffic205 by 2035
Trucks8%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Riverdale Road over Grand River built?

It was built in 1874, making it 151 years old in 2025.

What condition is Riverdale Road over Grand River 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 May 2024.

How much traffic does Riverdale Road over Grand River carry?

About 148 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Riverdale Road over Grand River?

The structure is 114 ft (34.7 m) long with a longest span of 55 ft (16.8 m) and a deck 14 ft wide.

Who owns Riverdale Road over Grand River?

It is owned by the County Highway Agency.