US Bridges

County Road 320 over Salt Creek Overflow

Fair

Holmes County, Ohio · 0.48 Mi. W of Jct. SR 83 · Structure no. 3831221

Built
1959
66 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
106 ft
3 main spans
Daily traffic
618
2015 count
Owner
County
County Highway Agency

About this bridge

County Road 320 over Salt Creek Overflow is a concrete continuous slab carrying County Road 320 over Salt Creek Overflow in Holmes County, Ohio. It was built in 1959, so it is 66 years old, older 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 106 ft (32.3 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesCounty Road 320
CrossesSalt Creek Overflow
Location0.48 Mi. W of Jct. SR 83
RouteCounty Highway C0320
CountyHolmes County
StateOhio
Coordinates40.62663, -81.93144
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length106 ft (32.3 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 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 closed6.8 mi (11 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 Salt Creek Overflow built?

It was built in 1959, making it 66 years old in 2025.

What condition is County Road 320 over Salt Creek Overflow 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 Salt Creek Overflow carry?

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

How long is County Road 320 over Salt Creek Overflow?

The structure is 106 ft (32.3 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns County Road 320 over Salt Creek Overflow?

It is owned by the County Highway Agency.