US Bridges

US 64-SEC 4 over I 40-SEC 21

Fair

Johnson County, Arkansas · 0.6 MI W JCT SH 352 · Structure no. 000000000003760

Built
1965
60 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
222 ft
4 main spans
Daily traffic
7,089
2018 count
Owner
State
State Highway Agency

About this bridge

US 64-SEC 4 over I 40-SEC 21 is a steel stringer/multi-beam or girder carrying US 64-SEC 4 over I 40-SEC 21 in Johnson County, Arkansas. It was built in 1965, so it is 60 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 7,089 vehicles a day, roughly 18% of them trucks, projected to reach 7,358 by 2027. The structure is 222 ft (67.7 m) long and 33 ft wide.

Location

Open in Google Maps
CarriesUS 64-SEC 4
CrossesI 40-SEC 21
Location0.6 MI W JCT SH 352
RouteU.S. Route 64
CountyJohnson County
StateArkansas
Coordinates35.46481, -93.52162
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length222 ft (67.7 m)
Longest span67 ft (20.4 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,089 (2018)
Projected traffic7,358 by 2027
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$497,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 64-SEC 4 over I 40-SEC 21 built?

It was built in 1965, making it 60 years old in 2025.

What condition is US 64-SEC 4 over I 40-SEC 21 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 February 2024.

How much traffic does US 64-SEC 4 over I 40-SEC 21 carry?

About 7,089 vehicles per day (2018 count), of which roughly 18% are trucks.

How long is US 64-SEC 4 over I 40-SEC 21?

The structure is 222 ft (67.7 m) long with a longest span of 67 ft (20.4 m) and a deck 33 ft wide.

Who owns US 64-SEC 4 over I 40-SEC 21?

It is owned by the State Highway Agency.