Structure 6182 · Montgomery County, AR

US 270 over Williams Creek

Carries US 270 over Williams Creek, 2.3 M E Of Mt. Ida.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT174 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

174 ft end to end, longest span 47 ft: 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.

Built198838 years old
Length173.9 ft53 m
Daily traffic4,600counted 2018
Last inspectedJuly 2022every 48 months

Location

StateArkansas
CountyMontgomery
Location2.3 M E Of Mt. Ida
CarriesUS 270
CrossesWilliams Creek
Coordinates34.53929, -93.60120

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length173.9 ft (53 m)
Max Span46.9 ft (14.3 m)
Deck Width46.9 ft (14.3 m)
Deck Area757.9 sq m
Main Spans4
Year Built1988

Traffic

Avg Daily Traffic4,600 (2018)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000006182

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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