Structure 5648 · Montgomery County, AR

SH 379 over Ouachita River

Carries SH 379 over Ouachita River, .6 Mi S Jct SH 88 @ Oden.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT452 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 6/9

452 ft end to end, longest span 90 ft: 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.

Built197650 years old
Length452.1 ft137.8 m
Daily traffic360counted 2018
Last inspectedApril 2023every 24 months

Location

StateArkansas
CountyMontgomery
Location.6 Mi S Jct SH 88 @ Oden
CarriesSH 379
CrossesOuachita River
Coordinates34.61149, -93.77759

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length452.1 ft (137.8 m)
Max Span89.9 ft (27.4 m)
Deck Width26.9 ft (8.2 m)
Deck Area1130.0 sq m
Main Spans5
Year Built1976

Traffic

Avg Daily Traffic360 (2018)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000005648

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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