US Bridges

County Road 320 over Killbuck Creek

Fair

Holmes County, Ohio · 0.05 Mi. E of JCT CR 329 · Structure no. 3836541

Built
1994
31 years old
Condition
Fair
inspected December 2024
Type
Truss - Thru
Steel
Length
89 ft
1 main span
Daily traffic
618
2015 count
Owner
County
County Highway Agency

About this bridge

County Road 320 over Killbuck Creek is a steel truss - thru carrying County Road 320 over Killbuck Creek in Holmes County, Ohio. It was built in 1994, so it is 31 years old, younger than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 618 vehicles a day, roughly 7% of them trucks, projected to reach 858 by 2035. The structure is 89 ft (27.1 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Road 320
CrossesKillbuck Creek
Location0.05 Mi. E of JCT CR 329
RouteCounty Highway C0320
StateOhio
Coordinates40.6251, -81.93554
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating34 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length89 ft (27.1 m)
Longest span85 ft (25.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic618 (2015)
Projected traffic858 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 320 over Killbuck Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is County Road 320 over Killbuck Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does County Road 320 over Killbuck Creek carry?

About 618 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is County Road 320 over Killbuck Creek?

The structure is 89 ft (27.1 m) long with a longest span of 85 ft (25.9 m) and a deck 24 ft wide.

Who owns County Road 320 over Killbuck Creek?

It is owned by the County Highway Agency.