US Bridges

SH 59 Benton 2 over Illinois River

Poor

Benton County, Arkansas · .64 MI N Washington CO · Structure no. 000000000003743

Built
1963
62 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
957 ft
3 main spans
Daily traffic
3,000
2018 count
Owner
State
State Highway Agency

About this bridge

SH 59 Benton 2 over Illinois River is a steel stringer/multi-beam or girder carrying SH 59 Benton 2 over Illinois River in Benton County, Arkansas. It was built in 1963, so it is 62 years old, older than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,000 vehicles a day, roughly 24% of them trucks, projected to reach 4,372 by 2028. The structure is 957 ft (291.7 m) long and 31 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesSH 59 Benton 2
CrossesIllinois River
Location.64 MI N Washington CO
RouteState Highway 59
Coordinates36.10828, -94.53498
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58 US tons
Inventory rating33 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+13 approach)
Design loadH 20
Structure length957 ft (291.7 m)
Longest span80 ft (24.4 m)
Deck width31 ft (9.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2018)
Projected traffic4,372 by 2028
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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$2.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 59 Benton 2 over Illinois River built?

It was built in 1963, making it 62 years old in 2025.

What condition is SH 59 Benton 2 over Illinois River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does SH 59 Benton 2 over Illinois River carry?

About 3,000 vehicles per day (2018 count), of which roughly 24% are trucks.

How long is SH 59 Benton 2 over Illinois River?

The structure is 957 ft (291.7 m) long with a longest span of 80 ft (24.4 m) and a deck 31 ft wide.

Who owns SH 59 Benton 2 over Illinois River?

It is owned by the State Highway Agency.