Structure 930142 · Palm Beach County, FL

Sr91 SB Tpk 100.38 over SR 91 Turnpike

Carries Sr91 SB Tpk 100.38 over SR 91 Turnpike, Tpke SB Exit 99.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT169 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

169 ft end to end, longest span 58 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.

Built195670 years old
Length169.0 ft51.5 m
Daily traffic3,550counted 2023
Last inspectedNovember 2023every 24 months

Location

StateFlorida
CountyPalm Beach
LocationTpke SB Exit 99
CarriesSr91 SB Tpk 100.38
CrossesSR 91 Turnpike
Coordinates26.71098, -80.13877

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length169.0 ft (51.5 m)
Max Span58.4 ft (17.8 m)
Deck Width41.0 ft (12.5 m)
Deck Area643.8 sq m
Main Spans4
Year Built1956

Traffic

Avg Daily Traffic3,550 (2023)
Truck Traffic17%
Lanes On Bridge2
Lanes Under Bridge5

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number930142

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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