US Bridges

US 64 WB Lns over Flat Rock Creek

Fair

Crawford County, Arkansas · 0.25 E of 64&540 JCT · Structure no. 000000000002278

Built
1950
75 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
84 ft
2 main spans
Daily traffic
17,154
2018 count
Owner
State
State Highway Agency

About this bridge

US 64 WB Lns over Flat Rock Creek is a steel continuous stringer/multi-beam or girder carrying US 64 WB Lns over Flat Rock Creek in Crawford County, Arkansas. It was built in 1950, so it is 75 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 5 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 17,154 vehicles a day, roughly 1% of them trucks, projected to reach 12,933 by 2028. The structure is 84 ft (25.6 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 64 WB Lns
CrossesFlat Rock Creek
Location0.25 E of 64&540 JCT
RouteU.S. Route 64
CountyCrawford County
StateArkansas
Coordinates35.44933, -94.31593
Functional classUrban Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating31 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span45 ft (13.7 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,154 (2018)
Projected traffic12,933 by 2028
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$444,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 64 WB Lns over Flat Rock Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is US 64 WB Lns over Flat Rock 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 September 2023.

How much traffic does US 64 WB Lns over Flat Rock Creek carry?

About 17,154 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is US 64 WB Lns over Flat Rock Creek?

The structure is 84 ft (25.6 m) long with a longest span of 45 ft (13.7 m) and a deck 34 ft wide.

Who owns US 64 WB Lns over Flat Rock Creek?

It is owned by the State Highway Agency.