US Bridges

I-49 Benton 1 over Ditch

Fair

Benton County, Arkansas · .4 MI N Wash CO Line · Structure no. 0000000000X0502

Built
1982
43 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
92,000
2018 count
Owner
State
State Highway Agency

About this bridge

I-49 Benton 1 over Ditch is a concrete culvert carrying I-49 Benton 1 over Ditch in Benton County, Arkansas. It was built in 1982, so it is 43 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 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 92,000 vehicles a day, roughly 8% of them trucks, projected to reach 114,000 by 2033. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-49 Benton 1
CrossesDitch
Location.4 MI N Wash CO Line
RouteInterstate 49
CountyBenton County
StateArkansas
Coordinates36.21783, -94.18119
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length32 ft (9.8 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic92,000 (2018)
Projected traffic114,000 by 2033
Trucks8%
Lanes on structure4
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-49 Benton 1 over Ditch built?

It was built in 1982, making it 43 years old in 2025.

What condition is I-49 Benton 1 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 October 2024.

How much traffic does I-49 Benton 1 over Ditch carry?

About 92,000 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is I-49 Benton 1 over Ditch?

The structure is 32 ft (9.8 m) long with a longest span of 11 ft (3.4 m).

Who owns I-49 Benton 1 over Ditch?

It is owned by the State Highway Agency.