Structure 196140000000000 · Tulsa County, OK

I-444 over 8th St. Under

Carries I-444 over 8th St. Under, 0.5 Mi N SH 51.

Overall conditionGood

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

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT167 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 7/9 · sets the ratingSubstructure 8/9

167 ft end to end, longest span 71 ft: about 2 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.

Built197947 years old
Length166.7 ft50.8 m
Daily traffic46,000counted 2022
Last inspectedJune 2023every 24 months

Location

StateOklahoma
CountyTulsa
Location0.5 Mi N SH 51
CarriesI-444
Crosses8th St. Under
Coordinates36.15077, -95.98016

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length166.7 ft (50.8 m)
Max Span71.2 ft (21.7 m)
Deck Width119.8 ft (36.5 m)
Deck Area1854.2 sq m
Main Spans3
Year Built1979

Traffic

Avg Daily Traffic46,000 (2022)
Truck Traffic12%
Lanes On Bridge5
Lanes Under Bridge1

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 Number196140000000000

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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