Structure 224260000000000 · Oklahoma County, OK

I-235 SB over Ne16th Pl/23rdst/rr/ramp

Carries I-235 SB over Ne16th Pl/23rdst/rr/ramp, 2.1 Mi N Of I-40.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
4,273 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

4,273 ft end to end, longest span 165 ft: about 12 football fields. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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 box-beam bridge.

Built198937 years old
Length4273.0 ft1302.4 m
Daily traffic46,600counted 2022
Last inspectedJune 2024every 24 months

Location

StateOklahoma
CountyOklahoma
Location2.1 Mi N Of I-40
CarriesI-235 SB
CrossesNe16th Pl/23rdst/rr/ramp
Coordinates35.48537, -97.51103

Physical Characteristics

MaterialSteel Continuous
DesignBox Beam - Multiple
Total Length4273.0 ft (1302.4 m)
Max Span165.0 ft (50.3 m)
Deck Width61.0 ft (18.6 m)
Deck Area24224.6 sq m
Main Spans3
Year Built1989

Traffic

Avg Daily Traffic46,600 (2022)
Truck Traffic12%
Lanes On Bridge3
Lanes Under Bridge9

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number224260000000000

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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