US Bridges

US 62 over Big Darby Overflow

Good

Franklin County, Ohio · 0.34 MI N of Pickaway CO · Structure no. 2502887

Built
1955
70 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
262 ft
7 main spans
Daily traffic
11,120
2010 count
Owner
State
State Highway Agency

About this bridge

US 62 over Big Darby Overflow is a steel continuous stringer/multi-beam or girder carrying US 62 over Big Darby Overflow in Franklin County, Ohio. It was built in 1955, so it is 70 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 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 11,120 vehicles a day, roughly 6% of them trucks, projected to reach 15,435 by 2030. The structure is 262 ft (79.9 m) long and 34 ft wide.

CarriesUS 62
CrossesBig Darby Overflow
Location0.34 MI N of Pickaway CO
RouteU.S. Route 62
StateOhio
Coordinates39.81128, -83.15935
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating50.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length262 ft (79.9 m)
Longest span47 ft (14.2 m)
Deck width34 ft (10.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,120 (2010)
Projected traffic15,435 by 2030
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 62 over Big Darby Overflow built?

It was built in 1955, making it 70 years old in 2025.

What condition is US 62 over Big Darby Overflow 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 US 62 over Big Darby Overflow carry?

About 11,120 vehicles per day (2010 count), of which roughly 6% are trucks.

How long is US 62 over Big Darby Overflow?

The structure is 262 ft (79.9 m) long with a longest span of 47 ft (14.2 m) and a deck 34 ft wide.

Who owns US 62 over Big Darby Overflow?

It is owned by the State Highway Agency.