Structure 172860000000000 · Wagoner County, OK

Co. Rd. N4200 over Muskogee Tp Under

Carries Co. Rd. N4200 over Muskogee Tp Under, 17.85 Mis SE Jct Sh51.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure8/9 · Very Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT164 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 8/9Substructure 7/9

164 ft end to end, longest span 79 ft: about 2 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.

Built196858 years old
Length164.0 ft50 m
Daily traffic5,000counted 2022
Last inspectedJune 2024every 24 months

Location

StateOklahoma
CountyWagoner
Location17.85 Mis SE Jct Sh51
CarriesCo. Rd. N4200
CrossesMuskogee Tp Under
Coordinates35.90291, -95.52687

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length164.0 ft (50 m)
Max Span79.1 ft (24.1 m)
Deck Width28.9 ft (8.8 m)
Deck Area440 sq m
Main Spans2
Year Built1968

Traffic

Avg Daily Traffic5,000 (2022)
Truck Traffic10%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number172860000000000

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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