Structure 170070000000000 · Sequoyah County, OK

N4540 RD over I-40 Under

Carries N4540 RD over I-40 Under, 10.01 E Muskogee C/l.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT211 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

211 ft end to end, longest span 73 ft: about 3 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.

Built196759 years old
Length211.0 ft64.3 m
Daily traffic250counted 2022
Last inspectedOctober 2023every 24 months

Location

StateOklahoma
CountySequoyah
Location10.01 E Muskogee C/l
CarriesN4540 RD
CrossesI-40 Under
Coordinates35.46653, -94.93532

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length211.0 ft (64.3 m)
Max Span73.2 ft (22.3 m)
Deck Width27.9 ft (8.5 m)
Deck Area546.5 sq m
Main Spans2
Year Built1967

Traffic

Avg Daily Traffic250 (2022)
Truck Traffic19%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number170070000000000

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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