Structure 7403 · Lonoke County, AR

Us67s-sh38off Ramp over Fourmile Creek

Carries Us67s-sh38off Ramp over Fourmile Creek, 1.27 M South Of HWY 305.

Overall conditionGood

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

How ratings work
Decksets the rating9/9 · Excellent
Superstructuresets the rating9/9 · Excellent
Substructuresets the rating9/9 · Excellent
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT260 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 9/9Superstructure 9/9Substructure 9/9

260 ft end to end, longest span 78 ft: about 4 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.

Built20188 years old
Length259.8 ft79.2 m
Daily traffic2,300counted 2023
Last inspectedApril 2023every 24 months

Location

StateArkansas
CountyLonoke
Location1.27 M South Of HWY 305
CarriesUs67s-sh38off Ramp
CrossesFourmile Creek
Coordinates34.99729, -92.00513

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length259.8 ft (79.2 m)
Max Span78.1 ft (23.8 m)
Deck Width28.2 ft (8.6 m)
Deck Area681.1 sq m
Main Spans4
Year Built2018

Traffic

Avg Daily Traffic2,300 (2023)
Truck Traffic23%
Lanes On Bridge1

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000000007403

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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