Structure 18115 · Logan County, AR

SH 309-logan Co. over Spillway-cove Lake

Carries SH 309-logan Co. over Spillway-cove Lake, 8.5 M S Of Paris.

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 overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT119 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 6/9

119 ft end to end, longest span 24 ft. Lengths and the car 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 deck arch.

Built193690 years old
Length119.1 ft36.3 m
Daily traffic480counted 2018
Last inspectedSeptember 2024every 24 months

Location

StateArkansas
CountyLogan
Location8.5 M S Of Paris
CarriesSH 309-logan Co.
CrossesSpillway-cove Lake
Coordinates35.23272, -93.62923

Physical Characteristics

MaterialMasonry
DesignArch - Deck
Total Length119.1 ft (36.3 m)
Max Span24.0 ft (7.3 m)
Deck Width24.0 ft (7.3 m)
Deck Area265.0 sq m
Main Spans5
Year Built1936

Traffic

Avg Daily Traffic480 (2018)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is on the National Register of Historic Places
Scour Critical5 — Stable for scour
Structure Number000000000018115

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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