Structure 139260000000000 · Ottawa County, OK

Will Rogers Tpi-44 over Co. Rd. N4560 Under

Carries Will Rogers Tpi-44 over Co. Rd. N4560 Under, 68.41 Mi NE Of Tp Gate.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT408 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

408 ft end to end, longest span 87 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.

Built1957rebuilt 1989
Length408.1 ft124.4 m
Daily traffic18,400counted 2022
Last inspectedOctober 2024every 24 months

Location

StateOklahoma
CountyOttawa
Location68.41 Mi NE Of Tp Gate
CarriesWill Rogers Tpi-44
CrossesCo. Rd. N4560 Under
Coordinates36.81354, -94.87429

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length408.1 ft (124.4 m)
Max Span86.9 ft (26.5 m)
Deck Width78.1 ft (23.8 m)
Deck Area2960.7 sq m
Main Spans5
Year Built1957 (reconstructed 1989)

Traffic

Avg Daily Traffic18,400 (2022)
Truck Traffic36%
Lanes On Bridge4
Lanes Under Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number139260000000000

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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