Structure 289310000000000 · Bryan County, OK

Old U.s. 70 over Up R.r. Under

Carries Old U.s. 70 over Up R.r. Under, 0.21 E Jct Sh-78.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT300 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

300 ft end to end, longest span 130 ft: about 4 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.

Built201016 years old
Length299.9 ft91.4 m
Daily traffic13,000counted 2022
Last inspectedAugust 2024every 24 months

Location

StateOklahoma
CountyBryan
Location0.21 E Jct Sh-78
CarriesOld U.s. 70
CrossesUp R.r. Under
Coordinates33.99694, -96.37167

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length299.9 ft (91.4 m)
Max Span129.9 ft (39.6 m)
Deck Width67.6 ft (20.6 m)
Deck Area1882.8 sq m
Main Spans3
Year Built2010

Traffic

Avg Daily Traffic13,000 (2022)
Truck Traffic8%
Lanes On Bridge4

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number289310000000000

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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