US Bridges

I-430 SB Ramp over I-630 Log 7.40

Good

Pulaski County, Arkansas · .1 MI S Markham St. · Structure no. 0000000000D7141

Built
2010
15 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
344 ft
4 main spans
Daily traffic
2,100
2018 count
Owner
State
State Highway Agency

About this bridge

I-430 SB Ramp over I-630 Log 7.40 is a steel continuous stringer/multi-beam or girder carrying I-430 SB Ramp over I-630 Log 7.40 in Pulaski County, Arkansas. It was built in 2010, so it is 15 years old, younger than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,100 vehicles a day, roughly 15% of them trucks, projected to reach 12,500 by 2028. The structure is 344 ft (104.9 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-430 SB Ramp
CrossesI-630 Log 7.40
Location.1 MI S Markham St.
RouteInterstate 430
CountyPulaski County
StateArkansas
Coordinates34.74791, -92.39172
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length344 ft (104.9 m)
Longest span104 ft (31.7 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2018)
Projected traffic12,500 by 2028
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-430 SB Ramp over I-630 Log 7.40 built?

It was built in 2010, making it 15 years old in 2025.

What condition is I-430 SB Ramp over I-630 Log 7.40 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does I-430 SB Ramp over I-630 Log 7.40 carry?

About 2,100 vehicles per day (2018 count), of which roughly 15% are trucks.

How long is I-430 SB Ramp over I-630 Log 7.40?

The structure is 344 ft (104.9 m) long with a longest span of 104 ft (31.7 m) and a deck 37 ft wide.

Who owns I-430 SB Ramp over I-630 Log 7.40?

It is owned by the State Highway Agency.