US Bridges

Alton Darby over Clov Grof (alt.Darb.Cr.)

Good

Franklin County, Ohio · 0.1 MI North of Feder RD · Structure no. 2531135

Built
2024
1 years old
Condition
Good
inspected October 2024
Type
Frame
Concrete
Length
27 ft
1 main span
Daily traffic
10,900
2019 count
Owner
County
County Highway Agency

About this bridge

Alton Darby over Clov Grof (alt.Darb.Cr.) is a concrete frame carrying Alton Darby over Clov Grof (alt.Darb.Cr.) in Franklin County, Ohio. It was built in 2024, so it is 1 years old, younger 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,900 vehicles a day, roughly 10% of them trucks, projected to reach 13,100 by 2039. The structure is 27 ft (8.2 m) long and 94 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesAlton Darby
CrossesClov Grof (alt.Darb.Cr.)
Location0.1 MI North of Feder RD
RouteCounty Highway C0272
StateOhio
Coordinates39.97446, -83.17481
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating42.9 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length27 ft (8.2 m)
Longest span25 ft (7.5 m)
Deck width94 ft (28.5 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,900 (2019)
Projected traffic13,100 by 2039
Trucks10%
Lanes on structure3
Traffic directionTwo-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 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 Alton Darby over Clov Grof (alt.Darb.Cr.) built?

It was built in 2024, making it 1 years old in 2025.

What condition is Alton Darby over Clov Grof (alt.Darb.Cr.) 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 October 2024.

How much traffic does Alton Darby over Clov Grof (alt.Darb.Cr.) carry?

About 10,900 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Alton Darby over Clov Grof (alt.Darb.Cr.)?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.5 m) and a deck 94 ft wide.

Who owns Alton Darby over Clov Grof (alt.Darb.Cr.)?

It is owned by the County Highway Agency.