US Bridges

Green Cook RD over Duncan Run

Good

Delaware County, Ohio · 0.2 Mi. S. of CR 25 · Structure no. 2136236

Built
2010
15 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
350
2018 count
Owner
County
County Highway Agency

About this bridge

Green Cook RD over Duncan Run is a prestressed concrete box beam or girders - multiple carrying Green Cook RD over Duncan Run in Delaware County, Ohio. It was built in 2010, so it is 15 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 350 vehicles a day, roughly 2% of them trucks, projected to reach 486 by 2038. The structure is 53 ft (16.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesGreen Cook RD
CrossesDuncan Run
Location0.2 Mi. S. of CR 25
RouteCounty Highway T0029
CountyDelaware County
StateOhio
Coordinates40.15925, -82.77889
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length53 ft (16.2 m)
Longest span50 ft (15.2 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2018)
Projected traffic486 by 2038
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Green Cook RD over Duncan Run built?

It was built in 2010, making it 15 years old in 2025.

What condition is Green Cook RD 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 January 2024.

How much traffic does Green Cook RD over Duncan Run carry?

About 350 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Green Cook RD over Duncan Run?

The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.2 m) and a deck 30 ft wide.

Who owns Green Cook RD over Duncan Run?

It is owned by the County Highway Agency.