Structure 192630000000000 · Tulsa County, OK

U.s. 169 NB over E 51st St./ R.r. Under

Carries U.s. 169 NB over E 51st St./ R.r. Under, Jct US 169 & E 51 St..

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT350 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

350 ft end to end, longest span 100 ft: about 5 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.

Built197650 years old
Length350.1 ft106.7 m
Daily traffic60,750counted 2022
Last inspectedSeptember 2024every 24 months

Location

StateOklahoma
CountyTulsa
LocationJct US 169 & E 51 St.
CarriesU.s. 169 NB
CrossesE 51st St./ R.r. Under
Coordinates36.08948, -95.85840

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length350.1 ft (106.7 m)
Max Span100.1 ft (30.5 m)
Deck Width68.2 ft (20.8 m)
Deck Area2219.4 sq m
Main Spans4
Year Built1976

Traffic

Avg Daily Traffic60,750 (2022)
Truck Traffic8%
Lanes On Bridge4
Lanes Under Bridge6

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number192630000000000

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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