US Bridges

SR91 Tpk N/S 0.0 over SR-826 Palmetto Expy

Fair

Miami-Dade County, Florida · Golden Glades Interchange · Structure no. 870038

Built
1963
62 years old, rebuilt 1987
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
174 ft
4 main spans
Daily traffic
96,600
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR91 Tpk N/S 0.0 over SR-826 Palmetto Expy is a prestressed concrete stringer/multi-beam or girder carrying SR91 Tpk N/S 0.0 over SR-826 Palmetto Expy in Miami-Dade County, Florida. It was built in 1963 and reconstructed in 1987, so it is 62 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 96,600 vehicles a day, roughly 11% of them trucks, projected to reach 167,601 by 2042. The structure is 174 ft (53 m) long and 76 ft wide.

CarriesSR91 Tpk N/S 0.0
CrossesSR-826 Palmetto Expy
LocationGolden Glades Interchange
RouteState Highway 91
StateFlorida
Coordinates25.92995, -80.21055
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating32.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length174 ft (53 m)
Longest span56 ft (17.1 m)
Deck width76 ft (23.1 m)
Roadway width67 ft (20.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96,600 (2023)
Projected traffic167,601 by 2042
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR91 Tpk N/S 0.0 over SR-826 Palmetto Expy built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1987.

What condition is SR91 Tpk N/S 0.0 over SR-826 Palmetto Expy in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does SR91 Tpk N/S 0.0 over SR-826 Palmetto Expy carry?

About 96,600 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR91 Tpk N/S 0.0 over SR-826 Palmetto Expy?

The structure is 174 ft (53 m) long with a longest span of 56 ft (17.1 m) and a deck 76 ft wide.

Who owns SR91 Tpk N/S 0.0 over SR-826 Palmetto Expy?

It is owned by the State Toll Authority.