US Bridges

County Road 78 over Cow Creek Sebastian Co.

Fair

Sebastian County, Arkansas · 1.26MI NE of Witcherville · Structure no. 000000000016821

Built
1940
85 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
548
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 78 over Cow Creek Sebastian Co. is a concrete culvert carrying County Road 78 over Cow Creek Sebastian Co. in Sebastian County, Arkansas. It was built in 1940, so it is 85 years old, older than the Arkansas average of 45.1 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 548 vehicles a day, roughly 1% of them trucks, projected to reach 70 by 2007. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesCounty Road 78
CrossesCow Creek Sebastian Co.
Location1.26MI NE of Witcherville
RouteCounty Highway 78
CountySebastian County
StateArkansas
Coordinates35.15001, -94.25087
Functional classRural Minor 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic548 (2018)
Projected traffic70 by 2007
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 78 over Cow Creek Sebastian Co. built?

It was built in 1940, making it 85 years old in 2025.

What condition is County Road 78 over Cow Creek Sebastian Co. 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 June 2024.

How much traffic does County Road 78 over Cow Creek Sebastian Co. carry?

About 548 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is County Road 78 over Cow Creek Sebastian Co.?

The structure is 21 ft (6.4 m) long with a longest span of 11 ft (3.4 m).

Who owns County Road 78 over Cow Creek Sebastian Co.?

It is owned by the County Highway Agency.