US Bridges

SR 605 over Over Duncan Run

Good

Delaware County, Ohio · 1.93 MI N of Franklin CO · Structure no. 2103737

Built
2014
11 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
83 ft
1 main span
Daily traffic
4,000
2011 count
Owner
State
State Highway Agency

About this bridge

SR 605 over Over Duncan Run is a prestressed concrete box beam or girders - multiple carrying SR 605 over Over Duncan Run in Delaware County, Ohio. It was built in 2014, so it is 11 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,000 vehicles a day, roughly 7% of them trucks, projected to reach 4,300 by 2031. The structure is 83 ft (25.3 m) long and 40 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSR 605
CrossesOver Duncan Run
Location1.93 MI N of Franklin CO
RouteState Highway 605
CountyDelaware County
StateOhio
Coordinates40.15612, -82.80808
Functional classRural 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.8 US tons
Inventory rating44.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length83 ft (25.3 m)
Longest span80 ft (24.4 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2011)
Projected traffic4,300 by 2031
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 SR 605 over Over Duncan Run built?

It was built in 2014, making it 11 years old in 2025.

What condition is SR 605 over Over Duncan Run 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 December 2024.

How much traffic does SR 605 over Over Duncan Run carry?

About 4,000 vehicles per day (2011 count), of which roughly 7% are trucks.

How long is SR 605 over Over Duncan Run?

The structure is 83 ft (25.3 m) long with a longest span of 80 ft (24.4 m) and a deck 40 ft wide.

Who owns SR 605 over Over Duncan Run?

It is owned by the State Highway Agency.