Structure 70230000000000 · Tillman County, OK

E1700 over Creek

Carries E1700 over Creek, 3.n 3.1e Of Manitou.

Overall conditionPoor

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

How ratings work
Deck6/9 · Satisfactory
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
CAR · 15 FT30 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 4/9 · sets the rating

30 ft end to end, longest span 6 ft. Lengths and the car 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.

Built193987 years old
Length29.9 ft9.1 m
Daily traffic30counted 2022
Last inspectedJuly 2023every 24 months

Location

StateOklahoma
CountyTillman
Location3.n 3.1e Of Manitou
CarriesE1700
CrossesCreek
Coordinates34.55092, -98.93047

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length29.9 ft (9.1 m)
Max Span5.9 ft (1.8 m)
Deck Width28.2 ft (8.6 m)
Deck Area78.3 sq m
Main Spans4
Year Built1939

Traffic

Avg Daily Traffic30 (2022)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number070230000000000

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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