Structure 144710000000000 · Oklahoma County, OK

N3100 (eastern) over Deep Fork Creek

Carries N3100 (eastern) over Deep Fork Creek, 0.9n Of N.e.50th.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT211 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

211 ft end to end, longest span 70 ft: about 3 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.

Built1959rebuilt 1988
Length211.0 ft64.3 m
Daily traffic6,400counted 2022
Last inspectedAugust 2023every 24 months

Location

StateOklahoma
CountyOklahoma
Location0.9n Of N.e.50th
CarriesN3100 (eastern)
CrossesDeep Fork Creek
Coordinates35.53503, -97.47679

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length211.0 ft (64.3 m)
Max Span69.9 ft (21.3 m)
Deck Width48.9 ft (14.9 m)
Deck Area958.1 sq m
Main Spans3
Year Built1959 (reconstructed 1988)

Traffic

Avg Daily Traffic6,400 (2022)
Truck Traffic7%
Lanes On Bridge3

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number144710000000000

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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