US Bridges

I-630 @ University over Drainage Ditch

Fair

Pulaski County, Arkansas · 4.6 MI W Int. I-30 · Structure no. 0000000000X0238

Built
1973
52 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
24 ft
3 main spans
Daily traffic
12,000
2018 count
Owner
State
State Highway Agency

About this bridge

I-630 @ University over Drainage Ditch is a concrete culvert carrying I-630 @ University over Drainage Ditch 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 12,000 vehicles a day, roughly 3% of them trucks, projected to reach 138,000 by 2034. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-630 @ University
CrossesDrainage Ditch
Location4.6 MI W Int. I-30
RouteInterstate 630
CountyPulaski County
StateArkansas
Coordinates34.74437, -92.34317
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 evaluation4: 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 rating32 US tons
Inventory rating19 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length24 ft (7.3 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2018)
Projected traffic138,000 by 2034
Trucks3%
Lanes on structure8
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-630 @ University over Drainage Ditch built?

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

What condition is I-630 @ University over Drainage Ditch 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-630 @ University over Drainage Ditch carry?

About 12,000 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is I-630 @ University over Drainage Ditch?

The structure is 24 ft (7.3 m) long with a longest span of 7 ft (2.1 m).

Who owns I-630 @ University over Drainage Ditch?

It is owned by the State Highway Agency.