Structure 185800000000000 · Pontotoc County, OK

S.h. 99 over S.h. 3 Under

Carries S.h. 99 over S.h. 3 Under, 2.4 Mi S-e SH 1.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT256 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

256 ft end to end, longest span 139 ft: about 4 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 girder bridge.

Built1973rebuilt 2020
Length255.9 ft78 m
Daily traffic6,400counted 2022
Last inspectedJune 2024every 24 months

Location

StateOklahoma
CountyPontotoc
Location2.4 Mi S-e SH 1
CarriesS.h. 99
CrossesS.h. 3 Under
Coordinates34.74940, -96.65693

Physical Characteristics

MaterialSteel Continuous
DesignGirder and Floorbeam
Total Length255.9 ft (78 m)
Max Span139.1 ft (42.4 m)
Deck Width26.6 ft (8.1 m)
Deck Area631.8 sq m
Main Spans2
Year Built1973 (reconstructed 2020)

Traffic

Avg Daily Traffic6,400 (2022)
Truck Traffic7%
Lanes On Bridge1
Lanes Under Bridge4

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number185800000000000

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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