US Bridges

SH 612 En Ramp over Silent Grove Rd.

Good

Benton County, Arkansas · 0.04 Mi. SE of I-49 · Structure no. 000000000007313

Built
2018
7 years old
Condition
Good
inspected March 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
415 ft
4 main spans
Daily traffic
10
2017 count
Owner
State
State Highway Agency

About this bridge

SH 612 En Ramp over Silent Grove Rd. is a steel continuous stringer/multi-beam or girder carrying SH 612 En Ramp over Silent Grove Rd. in Benton County, Arkansas. It was built in 2018, so it is 7 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10 vehicles a day, roughly 12% of them trucks, projected to reach 10,000 by 2014. The structure is 415 ft (126.5 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSH 612 En Ramp
CrossesSilent Grove Rd.
Location0.04 Mi. SE of I-49
RouteU.S. Route 612
CountyBenton County
StateArkansas
Coordinates36.23934, -94.15475
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable 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 spans4
Design loadHL 93
Structure length415 ft (126.5 m)
Longest span121 ft (36.9 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2017)
Projected traffic10,000 by 2014
Trucks12%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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 SH 612 En Ramp over Silent Grove Rd. built?

It was built in 2018, making it 7 years old in 2025.

What condition is SH 612 En Ramp over Silent Grove Rd. 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 March 2022.

How much traffic does SH 612 En Ramp over Silent Grove Rd. carry?

About 10 vehicles per day (2017 count), of which roughly 12% are trucks.

How long is SH 612 En Ramp over Silent Grove Rd.?

The structure is 415 ft (126.5 m) long with a longest span of 121 ft (36.9 m) and a deck 32 ft wide.

Who owns SH 612 En Ramp over Silent Grove Rd.?

It is owned by the State Highway Agency.