Structure 750026 · Orange County, FL

SR 91 Rmp 255.6 over US 17 SR 500 (obt)

Carries SR 91 Rmp 255.6 over US 17 SR 500 (obt), 0.25 Mi South Of SR 528.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
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 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

164 ft end to end, longest span 89 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.

Built196363 years old
Length164.0 ft50 m
Daily traffic15,200counted 2022
Last inspectedSeptember 2023every 24 months

Location

StateFlorida
CountyOrange
Location0.25 Mi South Of SR 528
CarriesSR 91 Rmp 255.6
CrossesUS 17 SR 500 (obt)
Coordinates28.43186, -81.40478

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length164.0 ft (50 m)
Max Span89.2 ft (27.2 m)
Deck Width44.0 ft (13.4 m)
Deck Area670 sq m
Main Spans3
Year Built1963

Traffic

Avg Daily Traffic15,200 (2022)
Truck Traffic11%
Lanes On Bridge1
Lanes Under Bridge7

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number750026

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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