US Bridges

I-30 over Bayou De Roche

Good

Clark County, Arkansas · 3 MI E JCT SH 7 & I30 · Structure no. 0000000000A7427

Built
2020
5 years old
Condition
Good
inspected November 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
170 ft
1 main span
Daily traffic
32,000
2020 count
Owner
State
State Highway Agency

About this bridge

I-30 over Bayou De Roche is a steel stringer/multi-beam or girder carrying I-30 over Bayou De Roche in Clark County, Arkansas. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 32,000 vehicles a day, roughly 54% of them trucks, projected to reach 38,400 by 2040. The structure is 170 ft (51.8 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-30
CrossesBayou De Roche
Location3 MI E JCT SH 7 & I30
RouteInterstate 30
CountyClark County
StateArkansas
Coordinates34.21347, -93.03129
Functional classRural Principal Arterial - Interstate

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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal 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
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length170 ft (51.8 m)
Longest span170 ft (51.8 m)
Deck width59 ft (18 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,000 (2020)
Projected traffic38,400 by 2040
Trucks54%
Lanes on structure2
Traffic directionOne-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-30 over Bayou De Roche built?

It was built in 2020, making it 5 years old in 2025.

What condition is I-30 over Bayou De Roche 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 November 2022.

How much traffic does I-30 over Bayou De Roche carry?

About 32,000 vehicles per day (2020 count), of which roughly 54% are trucks.

How long is I-30 over Bayou De Roche?

The structure is 170 ft (51.8 m) long with a longest span of 170 ft (51.8 m) and a deck 59 ft wide.

Who owns I-30 over Bayou De Roche?

It is owned by the State Highway Agency.