US Bridges

County Road 16 over Killwell Run * Duckwort

PoorPosted for load

Washington County, Ohio · 3.24 MI NE of JCT SR 26 · Structure no. 8431558

Built
1980
45 years old
Condition
Poor
inspected September 2024
Type
Truss - Thru
Steel
Length
90 ft
1 main span
Daily traffic
160
2015 count
Owner
County
County Highway Agency

About this bridge

County Road 16 over Killwell Run * Duckwort is a steel truss - thru carrying County Road 16 over Killwell Run * Duckwort in Washington County, Ohio. It was built in 1980, so it is 45 years old, younger than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 160 vehicles a day, roughly 8% of them trucks, projected to reach 222 by 2035. The structure is 90 ft (27.3 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 16
CrossesKillwell Run * Duckwort
Location3.24 MI NE of JCT SR 26
RouteCounty Highway C0016
StateOhio
Coordinates39.45641, -81.38683
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating42.9 US tons
Inventory rating25 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length90 ft (27.3 m)
Longest span86 ft (26.1 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2015)
Projected traffic222 by 2035
Trucks8%
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 County Road 16 over Killwell Run * Duckwort built?

It was built in 1980, making it 45 years old in 2025.

What condition is County Road 16 over Killwell Run * Duckwort in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does County Road 16 over Killwell Run * Duckwort carry?

About 160 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is County Road 16 over Killwell Run * Duckwort?

The structure is 90 ft (27.3 m) long with a longest span of 86 ft (26.1 m) and a deck 24 ft wide.

Who owns County Road 16 over Killwell Run * Duckwort?

It is owned by the County Highway Agency.