Structure 770112 · Seminole County, FL

Central Parkway over I-4 (sr 400)

Carries Central Parkway over I-4 (sr 400), 0.7mi N Of Sr-436.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT328 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 7/9 · sets the ratingSubstructure 8/9

328 ft end to end, longest span 127 ft: about 5 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.

Built20188 years old
Length328.1 ft100 m
Daily traffic25,000counted 2023
Last inspectedDecember 2024every 24 months

Location

StateFlorida
CountySeminole
Location0.7mi N Of Sr-436
CarriesCentral Parkway
CrossesI-4 (sr 400)
Coordinates28.67278, -81.38864

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length328.1 ft (100 m)
Max Span127.3 ft (38.8 m)
Deck Width112.2 ft (34.2 m)
Deck Area3,420 sq m
Main Spans3
Year Built2018

Traffic

Avg Daily Traffic25,000 (2023)
Truck Traffic8%
Lanes On Bridge7
Lanes Under Bridge12

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number770112

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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