US Bridges

I-430 NB Log 11.92 over White Oak Bayou

Fair

Pulaski County, Arkansas · 1.0 MI SW I 40 (I-5) · Structure no. 0000000000B5322

Built
1971
54 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
289 ft
5 main spans
Daily traffic
18,811
2018 count
Owner
State
State Highway Agency

About this bridge

I-430 NB Log 11.92 over White Oak Bayou is a steel stringer/multi-beam or girder carrying I-430 NB Log 11.92 over White Oak Bayou in Pulaski County, Arkansas. It was built in 1971, so it is 54 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 18,811 vehicles a day, roughly 4% of them trucks, projected to reach 42,774 by 2028. The structure is 289 ft (88.1 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-430 NB Log 11.92
CrossesWhite Oak Bayou
Location1.0 MI SW I 40 (I-5)
RouteInterstate 430
CountyPulaski County
StateArkansas
Coordinates34.81365, -92.35291
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.1 US tons
Inventory rating55 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length289 ft (88.1 m)
Longest span58 ft (17.7 m)
Deck width63 ft (19.3 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,811 (2018)
Projected traffic42,774 by 2028
Trucks4%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-430 NB Log 11.92 over White Oak Bayou built?

It was built in 1971, making it 54 years old in 2025.

What condition is I-430 NB Log 11.92 over White Oak Bayou 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 May 2023.

How much traffic does I-430 NB Log 11.92 over White Oak Bayou carry?

About 18,811 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is I-430 NB Log 11.92 over White Oak Bayou?

The structure is 289 ft (88.1 m) long with a longest span of 58 ft (17.7 m) and a deck 63 ft wide.

Who owns I-430 NB Log 11.92 over White Oak Bayou?

It is owned by the State Highway Agency.