Structure 164920000000000 · Tulsa County, OK

U.s. 75 NB over 81st St. Under

Carries U.s. 75 NB over 81st St. Under, 7 Mi N Jct SH 67.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT112 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

112 ft end to end, longest span 47 ft. Lengths and the car 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 slab bridge.

Built196561 years old
Length111.9 ft34.1 m
Daily traffic27,400counted 2022
Last inspectedOctober 2024every 24 months

Location

StateOklahoma
CountyTulsa
Location7 Mi N Jct SH 67
CarriesU.s. 75 NB
Crosses81st St. Under
Coordinates36.04636, -96.00689

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length111.9 ft (34.1 m)
Max Span46.9 ft (14.3 m)
Deck Width40.0 ft (12.2 m)
Deck Area416.0 sq m
Main Spans3
Year Built1965

Traffic

Avg Daily Traffic27,400 (2022)
Truck Traffic8%
Lanes On Bridge2
Lanes Under Bridge3

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number164920000000000

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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