Structure 168220000000000 · Carter County, OK

Mlk DR over B St/ E St/ (2)bnsf R.r.

Carries Mlk DR over B St/ E St/ (2)bnsf R.r., A St/mlk DR.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,205 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

1,205 ft end to end, longest span 60 ft: about 3.3 football fields. 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.

Built196660 years old
Length1205.4 ft367.4 m
Daily traffic4,655counted 2022
Last inspectedFebruary 2023every 24 months

Location

StateOklahoma
CountyCarter
LocationA St/mlk DR
CarriesMlk DR
CrossesB St/ E St/ (2)bnsf R.r.
Coordinates34.17749, -97.12434

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length1205.4 ft (367.4 m)
Max Span60.0 ft (18.3 m)
Deck Width34.4 ft (10.5 m)
Deck Area3857.7 sq m
Main Spans29
Year Built1966

Traffic

Avg Daily Traffic4,655 (2022)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge3

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number168220000000000

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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