Structure 273980000000000 · Murray County, OK

S.h. 7 over Washita River

Carries S.h. 7 over Washita River, .8w Jct U.s. 77.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructure8/9 · Very Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT702 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 8/9Substructure 5/9 · sets the rating

702 ft end to end, longest span 100 ft: about 2.0 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.

Built200422 years old
Length702.1 ft214 m
Daily traffic3,250counted 2022
Last inspectedFebruary 2024every 24 months

Location

StateOklahoma
CountyMurray
Location.8w Jct U.s. 77
CarriesS.h. 7
CrossesWashita River
Coordinates34.50486, -97.14279

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length702.1 ft (214 m)
Max Span100.1 ft (30.5 m)
Deck Width40.0 ft (12.2 m)
Deck Area2610.8 sq m
Main Spans8
Year Built2004

Traffic

Avg Daily Traffic3,250 (2022)
Truck Traffic25%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number273980000000000

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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