Structure 197920000000000 · Oklahoma County, OK

NW 220th St. over Chisholm Creek

Carries NW 220th St. over Chisholm Creek, .3 Mi. East Of Western.

Overall conditionPoor

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

How ratings work
Deck5/9 · Fair
Superstructure6/9 · Satisfactory
Substructuresets the rating4/9 · Poor
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT153 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 6/9Substructure 4/9 · sets the rating

153 ft end to end, longest span 51 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.

Built198046 years old
Length152.9 ft46.6 m
Daily traffic800counted 2022
Last inspectedApril 2024every 24 months

Location

StateOklahoma
CountyOklahoma
Location.3 Mi. East Of Western
CarriesNW 220th St.
CrossesChisholm Creek
Coordinates35.69643, -97.52770

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length152.9 ft (46.6 m)
Max Span50.9 ft (15.5 m)
Deck Width34.8 ft (10.6 m)
Deck Area494.0 sq m
Main Spans3
Year Built1980

Traffic

Avg Daily Traffic800 (2022)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number197920000000000

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.

Nearby Bridges