Structure B3814 · Clark County, AR

I-30EB S14 Lm63.35 over South Boat Ditch

Carries I-30EB S14 Lm63.35 over South Boat Ditch, .51 Mi E Jct SH 53.

Overall conditionGood

Set by its lowest-rated component: Deck and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT402 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

402 ft end to end: about 6 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.

Built1966rebuilt 2001
Length401.9 ft122.5 m
Daily traffic13,494counted 2018
Last inspectedOctober 2023every 24 months

Location

StateArkansas
CountyClark
Location.51 Mi E Jct SH 53
CarriesI-30EB S14 Lm63.35
CrossesSouth Boat Ditch
Coordinates34.00264, -93.17794

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length401.9 ft (122.5 m)
Max Span69.9 ft (21.3 m)
Deck Width42.7 ft (13 m)
Deck Area1592.5 sq m
Main Spans1
Year Built1966 (reconstructed 2001)

Traffic

Avg Daily Traffic13,494 (2018)
Truck Traffic54%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number0000000000B3814

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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