US Bridges

SH 164 over N Fork of Dirty Creek

Fair

Johnson County, Arkansas · 4.3 M N JCT 64 & 164 · Structure no. 000000000005363

Built
1972
53 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
141 ft
4 main spans
Daily traffic
640
2018 count
Owner
State
State Highway Agency

About this bridge

SH 164 over N Fork of Dirty Creek is a concrete slab carrying SH 164 over N Fork of Dirty Creek in Johnson County, Arkansas. It was built in 1972, so it is 53 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 640 vehicles a day, roughly 8% of them trucks, projected to reach 910 by 2028. The structure is 141 ft (43 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSH 164
CrossesN Fork of Dirty Creek
Location4.3 M N JCT 64 & 164
RouteState Highway 164
Coordinates35.49479, -93.6603
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length141 ft (43 m)
Longest span35 ft (10.7 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic640 (2018)
Projected traffic910 by 2028
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SH 164 over N Fork of Dirty Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is SH 164 over N Fork of Dirty 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 August 2023.

How much traffic does SH 164 over N Fork of Dirty Creek carry?

About 640 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is SH 164 over N Fork of Dirty Creek?

The structure is 141 ft (43 m) long with a longest span of 35 ft (10.7 m) and a deck 31 ft wide.

Who owns SH 164 over N Fork of Dirty Creek?

It is owned by the State Highway Agency.