Structure 52740000000000 · Cleveland County, OK

N Porter AVE over Little River

Carries N Porter AVE over Little River, 0.6 S Franklin RD.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT34 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

34 ft end to end. 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 deck arch.

Built193789 years old
Length34.1 ft10.4 m
Daily traffic6,782counted 2022
Last inspectedOctober 2023every 24 months

Location

StateOklahoma
CountyCleveland
Location0.6 S Franklin RD
CarriesN Porter AVE
CrossesLittle River
Coordinates35.26882, -97.44134

Physical Characteristics

MaterialConcrete
DesignArch - Deck
Total Length34.1 ft (10.4 m)
Max Span29.9 ft (9.1 m)
Deck Width33.5 ft (10.2 m)
Deck Area106.1 sq m
Main Spans1
Year Built1937

Traffic

Avg Daily Traffic6,782 (2022)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical7 — Countermeasures installed
Structure Number052740000000000

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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