Structure 158140000000000 · Pottawatomie County, OK

Co. Rd. over I-40 Under

Carries Co. Rd. over I-40 Under, 7 Mi E Jct SH 18.

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 FT212 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

212 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.

Built196363 years old
Length211.9 ft64.6 m
Daily traffic150counted 2022
Last inspectedJune 2023every 24 months

Location

StateOklahoma
CountyPottawatomie
Location7 Mi E Jct SH 18
CarriesCo. Rd.
CrossesI-40 Under
Coordinates35.38370, -96.78934

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length211.9 ft (64.6 m)
Max Span73.2 ft (22.3 m)
Deck Width26.9 ft (8.2 m)
Deck Area529.7 sq m
Main Spans2
Year Built1963

Traffic

Avg Daily Traffic150 (2022)
Truck Traffic15%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number158140000000000

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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