Structure 12210000000000 · Bryan County, OK

E2090 over Blue River

Carries E2090 over Blue River, 1.5w 1.5 Of South Blue.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Deck5/9 · Fair
Superstructure5/9 · Fair
Substructuresets the rating4/9 · Poor
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT143 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 4/9 · sets the rating

143 ft end to end. 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 through truss.

Built1921105 years old
Length143.0 ft43.6 m
Daily traffic100counted 2022
Last inspectedJanuary 2023every 24 months

Location

StateOklahoma
CountyBryan
Location1.5w 1.5 Of South Blue
CarriesE2090
CrossesBlue River
Coordinates33.98293, -96.24579

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length143.0 ft (43.6 m)
Max Span96.1 ft (29.3 m)
Deck Width18.0 ft (5.5 m)
Deck Area239.8 sq m
Main Spans1
Year Built1921

Traffic

Avg Daily Traffic100 (2022)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical4 — Foundations need monitoring
Structure Number012210000000000

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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