Structure 870451 · Miami-Dade County, FL

I-95 NB (870354) over SW 1st AVE

Carries I-95 NB (870354) over SW 1st AVE, 1mi S Of Sr-90.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT510 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

510 ft end to end, longest span 136 ft: about 7 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.

Built1969rebuilt 1999
Length509.8 ft155.4 m
Daily traffic37,500counted 2022
Last inspectedMay 2023every 24 months

Location

StateFlorida
CountyMiami-Dade
Location1mi S Of Sr-90
CarriesI-95 NB (870354)
CrossesSW 1st AVE
Coordinates25.75697, -80.19995

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length509.8 ft (155.4 m)
Max Span136.2 ft (41.5 m)
Deck Width53.8 ft (16.4 m)
Deck Area2548.6 sq m
Main Spans5
Year Built1969 (reconstructed 1999)

Traffic

Avg Daily Traffic37,500 (2022)
Truck Traffic4%
Lanes On Bridge3
Lanes Under Bridge2

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number870451

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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