Structure 110604 · Lake County, FL

Sr-429 SB over Floodplain

Carries Sr-429 SB over Floodplain, 1 Mi N Of Mt Plymouth RD.

Overall conditionGood

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

How ratings work
Deck8/9 · Very 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 FT662 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 7/9 · sets the ratingSubstructure 7/9 · sets the rating

662 ft end to end, longest span 94 ft: about 1.8 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.

Built201511 years old
Length662.1 ft201.8 m
Daily traffic5,200counted 2024
Last inspectedMarch 2024every 24 months

Location

StateFlorida
CountyLake
Location1 Mi N Of Mt Plymouth RD
CarriesSr-429 SB
CrossesFloodplain
Coordinates28.79193, -81.51838

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length662.1 ft (201.8 m)
Max Span94.5 ft (28.8 m)
Deck Width43.0 ft (13.1 m)
Deck Area2643.6 sq m
Main Spans7
Year Built2015

Traffic

Avg Daily Traffic5,200 (2024)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number110604

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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