US Bridges

DR Martin L. King over I 630-SEC 21 Log 1.45

Fair

Pulaski County, Arkansas · 1.7 MI W of JCT I-30 · Structure no. 000000000003502

Built
1980
45 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Steel Continuous
Length
169 ft
2 main spans
Daily traffic
11,000
2018 count
Owner
State
State Highway Agency

About this bridge

DR Martin L. King over I 630-SEC 21 Log 1.45 is a steel continuous box beam or girders - multiple carrying DR Martin L. King over I 630-SEC 21 Log 1.45 in Pulaski County, Arkansas. It was built in 1980, so it is 45 years old, younger 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 11,000 vehicles a day, roughly 1% of them trucks, projected to reach 8,378 by 2007. The structure is 169 ft (51.5 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesDR Martin L. King
CrossesI 630-SEC 21 Log 1.45
Location1.7 MI W of JCT I-30
RouteCity Street 36315
CountyPulaski County
StateArkansas
Coordinates34.74377, -92.28822
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length169 ft (51.5 m)
Longest span85 ft (25.9 m)
Deck width62 ft (19 m)
Roadway width50 ft (15.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2018)
Projected traffic8,378 by 2007
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was DR Martin L. King over I 630-SEC 21 Log 1.45 built?

It was built in 1980, making it 45 years old in 2025.

What condition is DR Martin L. King over I 630-SEC 21 Log 1.45 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 January 2024.

How much traffic does DR Martin L. King over I 630-SEC 21 Log 1.45 carry?

About 11,000 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is DR Martin L. King over I 630-SEC 21 Log 1.45?

The structure is 169 ft (51.5 m) long with a longest span of 85 ft (25.9 m) and a deck 62 ft wide.

Who owns DR Martin L. King over I 630-SEC 21 Log 1.45?

It is owned by the State Highway Agency.