US Bridges

SH16 Benton 2 over Illinois River

Good

Benton County, Arkansas · 3 MI SE of JCT US 412 &16 · Structure no. 000000000007265

Built
2017
8 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
962 ft
15 main spans
Daily traffic
2,900
2018 count
Owner
State
State Highway Agency

About this bridge

SH16 Benton 2 over Illinois River is a steel continuous stringer/multi-beam or girder carrying SH16 Benton 2 over Illinois River in Benton County, Arkansas. It was built in 2017, so it is 8 years old, younger than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,900 vehicles a day, roughly 12% of them trucks, projected to reach 4,000 by 2035. The structure is 962 ft (293.3 m) long and 43 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

Location

Open in Google Maps
CarriesSH16 Benton 2
CrossesIllinois River
Location3 MI SE of JCT US 412 &16
RouteState Highway 16
CountyBenton County
StateArkansas
Coordinates36.14504, -94.49498
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans15
Design loadHL 93
Structure length962 ft (293.3 m)
Longest span100 ft (30.5 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2018)
Projected traffic4,000 by 2035
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH16 Benton 2 over Illinois River built?

It was built in 2017, making it 8 years old in 2025.

What condition is SH16 Benton 2 over Illinois River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does SH16 Benton 2 over Illinois River carry?

About 2,900 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is SH16 Benton 2 over Illinois River?

The structure is 962 ft (293.3 m) long with a longest span of 100 ft (30.5 m) and a deck 43 ft wide.

Who owns SH16 Benton 2 over Illinois River?

It is owned by the State Highway Agency.