Structure 323640000000000 · Oklahoma County, OK

S.h. 77h Sooner RD over I-240 Under

Carries S.h. 77h Sooner RD over I-240 Under, 4e Of Jct I-35.

Overall conditionGood

Set by its lowest-rated component: Deck at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT255 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 8/9

255 ft end to end, longest span 128 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.

Built20215 years old
Length255.2 ft77.8 m
Daily traffic11,500counted 2022
Last inspectedJune 2023every 24 months

Location

StateOklahoma
CountyOklahoma
Location4e Of Jct I-35
CarriesS.h. 77h Sooner RD
CrossesI-240 Under
Coordinates35.39129, -97.42373

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length255.2 ft (77.8 m)
Max Span127.6 ft (38.9 m)
Deck Width83.3 ft (25.4 m)
Deck Area1976.1 sq m
Main Spans2
Year Built2021

Traffic

Avg Daily Traffic11,500 (2022)
Truck Traffic7%
Lanes On Bridge4
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 Number323640000000000

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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