Structure 12890000000000 · Osage County, OK

5710c (shell CR RD over Shell Creek Lake

Carries 5710c (shell CR RD over Shell Creek Lake, 0.5 Mi E Of 177 ST W.

Overall conditionPoor

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

How ratings work
Decksets the rating4/9 · Poor
Superstructure5/9 · Fair
Substructure5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT756 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 5/9Substructure 5/9

756 ft end to end, longest span 18 ft: about 2.1 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 slab bridge.

Built1922104 years old
Length755.9 ft230.4 m
Daily traffic400counted 2022
Last inspectedNovember 2024every 24 months

Location

StateOklahoma
CountyOsage
Location0.5 Mi E Of 177 ST W
Carries5710c (shell CR RD
CrossesShell Creek Lake
Coordinates36.18058, -96.17969

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length755.9 ft (230.4 m)
Max Span18.0 ft (5.5 m)
Deck Width17.7 ft (5.4 m)
Deck Area1244.2 sq m
Main Spans42
Year Built1922

Traffic

Avg Daily Traffic400 (2022)
Truck Traffic5%
Lanes On Bridge1

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number012890000000000

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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