Structure 770040 · Seminole County, FL

Lake Mary Blvd. EB over I-4

Carries Lake Mary Blvd. EB over I-4, Lake Mary EB Over I-4.

Overall conditionGood

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT229 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

229 ft end to end, longest span 120 ft: about 3 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.

Built199234 years old
Length229.0 ft69.8 m
Daily traffic8,800counted 2022
Last inspectedOctober 2024every 24 months

Location

StateFlorida
CountySeminole
LocationLake Mary EB Over I-4
CarriesLake Mary Blvd. EB
CrossesI-4
Coordinates28.75611, -81.36339

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length229.0 ft (69.8 m)
Max Span120.1 ft (36.6 m)
Deck Width68.2 ft (20.8 m)
Deck Area1451.8 sq m
Main Spans2
Year Built1992

Traffic

Avg Daily Traffic8,800 (2022)
Truck Traffic10%
Lanes On Bridge4
Lanes Under Bridge9

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number770040

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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