Structure B5109 · Crawford County, AR

Interstate 40 East over Mulberry River

Carries Interstate 40 East over Mulberry River, 0.07 Mi W Franklin Co Lin.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT483 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

483 ft end to end, longest span 95 ft: about 7 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.

Built196858 years old
Length482.9 ft147.2 m
Daily traffic12,500counted 2018
Last inspectedJune 2024every 24 months

Location

StateArkansas
CountyCrawford
Location0.07 Mi W Franklin Co Lin
CarriesInterstate 40 East
CrossesMulberry River
Coordinates35.52787, -94.03803

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length482.9 ft (147.2 m)
Max Span95.1 ft (29 m)
Deck Width42.3 ft (12.9 m)
Deck Area1898.9 sq m
Main Spans6
Year Built1968

Traffic

Avg Daily Traffic12,500 (2018)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number0000000000B5109

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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