Structure 870989 · Miami-Dade County, FL

SR 934 EB (870988) over Mia Canal/okeechobee RD

Carries SR 934 EB (870988) over Mia Canal/okeechobee RD, NW 74 St. Over Okeechobee.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT453 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 8/9

453 ft end to end, longest span 185 ft: about 6 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.

Built200521 years old
Length452.8 ft138 m
Daily traffic26,750counted 2022
Last inspectedJanuary 2025every 24 months

Location

StateFlorida
CountyMiami-Dade
LocationNW 74 St. Over Okeechobee
CarriesSR 934 EB (870988)
CrossesMia Canal/okeechobee RD
Coordinates25.84049, -80.30469

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length452.8 ft (138 m)
Max Span185.4 ft (56.5 m)
Deck Width54.5 ft (16.6 m)
Deck Area2290.8 sq m
Main Spans3
Year Built2005

Traffic

Avg Daily Traffic26,750 (2022)
Truck Traffic7%
Lanes On Bridge3
Lanes Under Bridge8

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical9 — Foundation above flood level
Structure Number870989

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.

Nearby Bridges