US Bridges

SR-959 (sw 57 Ave) over Coral Gables Canal

Good

Miami-Dade County, Florida · 200 Ft N of SW 35 ST · Structure no. 870638

Built
1936
89 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
2 main spans
Daily traffic
13,800
2022 count
Owner
State
State Highway Agency

About this bridge

SR-959 (sw 57 Ave) over Coral Gables Canal is a steel stringer/multi-beam or girder carrying SR-959 (sw 57 Ave) over Coral Gables Canal in Miami-Dade County, Florida. It was built in 1936, so it is 89 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 13,800 vehicles a day, roughly 4% of them trucks, projected to reach 23,943 by 2044. The structure is 70 ft (21.3 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR-959 (sw 57 Ave)
CrossesCoral Gables Canal
Location200 Ft N of SW 35 ST
RouteState Highway 959
CountyMiami-Dade County
StateFlorida
Coordinates25.73854, -80.28674
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.3 US tons
Inventory rating37.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span35 ft (10.7 m)
Deck width41 ft (12.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,800 (2022)
Projected traffic23,943 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$108,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR-959 (sw 57 Ave) over Coral Gables Canal built?

It was built in 1936, making it 89 years old in 2025.

What condition is SR-959 (sw 57 Ave) over Coral Gables Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does SR-959 (sw 57 Ave) over Coral Gables Canal carry?

About 13,800 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is SR-959 (sw 57 Ave) over Coral Gables Canal?

The structure is 70 ft (21.3 m) long with a longest span of 35 ft (10.7 m) and a deck 41 ft wide.

Who owns SR-959 (sw 57 Ave) over Coral Gables Canal?

It is owned by the State Highway Agency.