Structure 171980000000000 · Garvin County, OK

I-35 over E-w 161 Under

Carries I-35 over E-w 161 Under, 2.1 Mi N Jct SH 29.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT98 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 8/9

98 ft end to end, longest span 42 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 rigid-frame bridge.

Built1968rebuilt 2020
Length98.1 ft29.9 m
Daily traffic16,050counted 2022
Last inspectedJanuary 2023every 24 months

Location

StateOklahoma
CountyGarvin
Location2.1 Mi N Jct SH 29
CarriesI-35
CrossesE-w 161 Under
Coordinates34.68111, -97.22822

Physical Characteristics

MaterialConcrete Continuous
DesignFrame
Total Length98.1 ft (29.9 m)
Max Span42.0 ft (12.8 m)
Deck Width39.7 ft (12.1 m)
Deck Area361.8 sq m
Main Spans3
Year Built1968 (reconstructed 2020)

Traffic

Avg Daily Traffic16,050 (2022)
Truck Traffic36%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionJanuary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number171980000000000

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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