US Bridges

I-430 SB over I-40 Log 147.34

Fair

Pulaski County, Arkansas · I-430 & I-40 Interchange · Structure no. 000000000005325

Built
1972
53 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
591 ft
5 main spans
Daily traffic
20,000
2018 count
Owner
State
State Highway Agency

About this bridge

I-430 SB over I-40 Log 147.34 is a steel continuous stringer/multi-beam or girder carrying I-430 SB over I-40 Log 147.34 in Pulaski 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 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 20,000 vehicles a day, roughly 1% of them trucks, projected to reach 14,500 by 2033. The structure is 591 ft (180.1 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesI-430 SB
CrossesI-40 Log 147.34
LocationI-430 & I-40 Interchange
RouteInterstate 430
CountyPulaski County
StateArkansas
Coordinates34.82279, -92.34397
Functional classUrban Principal Arterial - Interstate

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length591 ft (180.1 m)
Longest span146 ft (44.5 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,000 (2018)
Projected traffic14,500 by 2033
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$1.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-430 SB over I-40 Log 147.34 built?

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

What condition is I-430 SB over I-40 Log 147.34 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 2023.

How much traffic does I-430 SB over I-40 Log 147.34 carry?

About 20,000 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is I-430 SB over I-40 Log 147.34?

The structure is 591 ft (180.1 m) long with a longest span of 146 ft (44.5 m) and a deck 28 ft wide.

Who owns I-430 SB over I-40 Log 147.34?

It is owned by the State Highway Agency.