Structure 750648 · Orange County, FL

SR 91 Tpk NB 259.7 over SR 91 Tpk NB

Carries SR 91 Tpk NB 259.7 over SR 91 Tpk NB, I-4 SR 400 WB.

Overall conditionGood

Set by its lowest-rated component: Superstructure at 7 of 9.

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,981 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 7/9 · sets the ratingSubstructure 8/9

1,981 ft end to end, longest span 168 ft: about 5.5 football fields. 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.

Built20224 years old
Length1980.6 ft603.7 m
Daily traffic1,000counted 2021
Last inspectedJanuary 2024every 24 months

Location

StateFlorida
CountyOrange
LocationI-4 SR 400 WB
CarriesSR 91 Tpk NB 259.7
CrossesSR 91 Tpk NB
Coordinates28.47844, -81.44789

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length1980.6 ft (603.7 m)
Max Span168.0 ft (51.2 m)
Deck Width65.3 ft (19.9 m)
Deck Area12013.6 sq m
Main Spans13
Year Built2022

Traffic

Avg Daily Traffic1,000 (2021)
Truck Traffic2%
Lanes On Bridge2
Lanes Under Bridge14

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number750648

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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