US Bridges

I-40 - 11 Mainlane over Ditch

Fair

Crawford County, Arkansas · 0.2 MI W JCT US 71 & 40 · Structure no. 0000000000X0052

Built
1965
60 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
30,000
2018 count
Owner
State
State Highway Agency

About this bridge

I-40 - 11 Mainlane over Ditch is a concrete culvert carrying I-40 - 11 Mainlane over Ditch in Crawford County, Arkansas. It was built in 1965, so it is 60 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 30,000 vehicles a day, roughly 35% of them trucks, projected to reach 41,386 by 2028. The structure is 24 ft (7.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-40 - 11 Mainlane
CrossesDitch
Location0.2 MI W JCT US 71 & 40
RouteInterstate 40
CountyCrawford County
StateArkansas
Coordinates35.4885, -94.22816
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 inspectionJanuary 2024
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 rating47 US tons
Inventory rating28 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length24 ft (7.2 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,000 (2018)
Projected traffic41,386 by 2028
Trucks35%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-40 - 11 Mainlane over Ditch built?

It was built in 1965, making it 60 years old in 2025.

What condition is I-40 - 11 Mainlane over 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 January 2024.

How much traffic does I-40 - 11 Mainlane over Ditch carry?

About 30,000 vehicles per day (2018 count), of which roughly 35% are trucks.

How long is I-40 - 11 Mainlane over Ditch?

The structure is 24 ft (7.2 m) long with a longest span of 12 ft (3.6 m).

Who owns I-40 - 11 Mainlane over Ditch?

It is owned by the State Highway Agency.