US Bridges

I-430 Log 7.28 over Grassy Flat

Fair

Pulaski County, Arkansas · 1.01 MI N of I 630 · Structure no. 0000000000X0223

Built
1973
52 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
52 ft
4 main spans
Daily traffic
83,494
2018 count
Owner
State
State Highway Agency

About this bridge

I-430 Log 7.28 over Grassy Flat is a concrete culvert carrying I-430 Log 7.28 over Grassy Flat in Pulaski County, Arkansas. It was built in 1973, so it is 52 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 83,494 vehicles a day, roughly 1% of them trucks, projected to reach 116,655 by 2028. The structure is 52 ft (15.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-430 Log 7.28
CrossesGrassy Flat
Location1.01 MI N of I 630
RouteInterstate 430
CountyPulaski County
StateArkansas
Coordinates34.76255, -92.39067
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 20
Structure length52 ft (15.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic83,494 (2018)
Projected traffic116,655 by 2028
Trucks1%
Lanes on structure10
Traffic directionTwo-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 Log 7.28 over Grassy Flat built?

It was built in 1973, making it 52 years old in 2025.

What condition is I-430 Log 7.28 over Grassy Flat 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 July 2023.

How much traffic does I-430 Log 7.28 over Grassy Flat carry?

About 83,494 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is I-430 Log 7.28 over Grassy Flat?

The structure is 52 ft (15.8 m) long with a longest span of 14 ft (4.3 m).

Who owns I-430 Log 7.28 over Grassy Flat?

It is owned by the State Highway Agency.