Structure 258230000000000 · Oklahoma County, OK

I-35 SB over I-35 Ramp & I-40 WB Und

Carries I-35 SB over I-35 Ramp & I-40 WB Und, Top Lvl Br Ft. Smith Jct..

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT459 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

459 ft end to end, longest span 175 ft: about 6 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.

Built200026 years old
Length459.0 ft139.9 m
Daily traffic36,260counted 2022
Last inspectedAugust 2024every 24 months

Location

StateOklahoma
CountyOklahoma
LocationTop Lvl Br Ft. Smith Jct.
CarriesI-35 SB
CrossesI-35 Ramp & I-40 WB Und
Coordinates35.46688, -97.46832

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length459.0 ft (139.9 m)
Max Span174.9 ft (53.3 m)
Deck Width59.1 ft (18 m)
Deck Area2518.2 sq m
Main Spans3
Year Built2000

Traffic

Avg Daily Traffic36,260 (2022)
Truck Traffic12%
Lanes On Bridge2
Lanes Under Bridge3

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number258230000000000

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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