Structure 6317 · Izard County, AR

SH 58 Izard County over Rocky Bayou

Carries SH 58 Izard County over Rocky Bayou, 11.7 Mi SW Jct SH 69 & 58.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT195 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

195 ft end to end, longest span 65 ft: about 3 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.

Built199036 years old
Length194.9 ft59.4 m
Daily traffic600counted 2018
Last inspectedOctober 2024every 24 months

Location

StateArkansas
CountyIzard
Location11.7 Mi SW Jct SH 69 & 58
CarriesSH 58 Izard County
CrossesRocky Bayou
Coordinates35.92765, -91.94458

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length194.9 ft (59.4 m)
Max Span65.0 ft (19.8 m)
Deck Width30.8 ft (9.4 m)
Deck Area558.4 sq m
Main Spans3
Year Built1990

Traffic

Avg Daily Traffic600 (2018)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000000006317

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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