US Bridges

I-49 NB L Benton over CO RD 831-G

Fair

Benton County, Arkansas · 2.26 MI N SH 72 · Structure no. 0000000000B5984

Built
1989
36 years old
Condition
Fair
inspected October 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
154 ft
3 main spans
Daily traffic
19,500
2018 count
Owner
State
State Highway Agency

About this bridge

I-49 NB L Benton over CO RD 831-G is a steel continuous stringer/multi-beam or girder carrying I-49 NB L Benton over CO RD 831-G in Benton County, Arkansas. It was built in 1989, so it is 36 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 19,500 vehicles a day, roughly 1% of them trucks, projected to reach 21,860 by 2028. The structure is 154 ft (46.9 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-49 NB L Benton
CrossesCO RD 831-G
Location2.26 MI N SH 72
RouteInterstate 49
CountyBenton County
StateArkansas
Coordinates36.40445, -94.19792
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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 spans3
Design loadHS 20
Structure length154 ft (46.9 m)
Longest span64 ft (19.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,500 (2018)
Projected traffic21,860 by 2028
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-49 NB L Benton over CO RD 831-G built?

It was built in 1989, making it 36 years old in 2025.

What condition is I-49 NB L Benton over CO RD 831-G 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 2021.

How much traffic does I-49 NB L Benton over CO RD 831-G carry?

About 19,500 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is I-49 NB L Benton over CO RD 831-G?

The structure is 154 ft (46.9 m) long with a longest span of 64 ft (19.5 m) and a deck 43 ft wide.

Who owns I-49 NB L Benton over CO RD 831-G?

It is owned by the State Highway Agency.