US Bridges

Duncan Run Road over Little Duncan Run

Good

Muskingum County, Ohio · 0.09 MI S of Irish Ridge · Structure no. 6034462

Built
1900
125 years old, rebuilt 2001
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
351
2015 count
Owner
County
County Highway Agency

About this bridge

Duncan Run Road over Little Duncan Run is a steel stringer/multi-beam or girder carrying Duncan Run Road over Little Duncan Run in Muskingum County, Ohio. It was built in 1900 and reconstructed in 2001, so it is 125 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 351 vehicles a day, roughly 7% of them trucks, projected to reach 487 by 2035. The structure is 42 ft (12.8 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesDuncan Run Road
CrossesLittle Duncan Run
Location0.09 MI S of Irish Ridge
RouteCounty Highway T0139
StateOhio
Coordinates39.85045, -81.9172
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating80.7 US tons
Inventory rating48.6 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20 + Mod
Structure length42 ft (12.8 m)
Longest span41 ft (12.5 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic351 (2015)
Projected traffic487 by 2035
Trucks7%
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 Duncan Run Road over Little Duncan Run built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 2001.

What condition is Duncan Run Road over Little 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 October 2024.

How much traffic does Duncan Run Road over Little Duncan Run carry?

About 351 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Duncan Run Road over Little Duncan Run?

The structure is 42 ft (12.8 m) long with a longest span of 41 ft (12.5 m) and a deck 20 ft wide.

Who owns Duncan Run Road over Little Duncan Run?

It is owned by the County Highway Agency.