Structure A7427 · Clark County, AR

I-30 over Bayou De Roche

Carries I-30 over Bayou De Roche, 3 Mi E Jct SH 7 & I30.

Overall conditionGood

Set by its lowest-rated component: Deck at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructure9/9 · Excellent
Substructure9/9 · Excellent
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT170 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9 · sets the ratingSuperstructure 9/9Substructure 9/9

170 ft end to end: about 2 semi-trucks nose to tail. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built20206 years old
Length169.9 ft51.8 m
Daily traffic32,000counted 2020
Last inspectedNovember 2022every 48 months

Location

StateArkansas
CountyClark
Location3 Mi E Jct SH 7 & I30
CarriesI-30
CrossesBayou De Roche
Coordinates34.21347, -93.03129

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length169.9 ft (51.8 m)
Max Span169.9 ft (51.8 m)
Deck Width59.1 ft (18 m)
Deck Area932.4 sq m
Main Spans1
Year Built2020

Traffic

Avg Daily Traffic32,000 (2020)
Truck Traffic54%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number0000000000A7427

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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