US Bridges

SR91 SB Tpk 2.514 over Snake Creek Canal C-9

Good

Miami-Dade County, Florida · 0.3 Miles N of NW 199 ST · Structure no. 870699

Built
1987
38 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
180 ft
3 main spans
Daily traffic
52,450
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR91 SB Tpk 2.514 over Snake Creek Canal C-9 is a prestressed concrete stringer/multi-beam or girder carrying SR91 SB Tpk 2.514 over Snake Creek Canal C-9 in Miami-Dade County, Florida. It was built in 1987, so it is 38 years old, younger 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 52,450 vehicles a day, roughly 10% of them trucks, projected to reach 91,001 by 2042. The structure is 180 ft (54.9 m) long and 79 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR91 SB Tpk 2.514
CrossesSnake Creek Canal C-9
Location0.3 Miles N of NW 199 ST
RouteState Highway 91
StateFlorida
Coordinates25.96064, -80.22945
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating39.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length180 ft (54.9 m)
Longest span60 ft (18.3 m)
Deck width79 ft (24.1 m)
Roadway width76 ft (23.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52,450 (2024)
Projected traffic91,001 by 2042
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR91 SB Tpk 2.514 over Snake Creek Canal C-9 built?

It was built in 1987, making it 38 years old in 2025.

What condition is SR91 SB Tpk 2.514 over Snake Creek Canal C-9 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 February 2024.

How much traffic does SR91 SB Tpk 2.514 over Snake Creek Canal C-9 carry?

About 52,450 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SR91 SB Tpk 2.514 over Snake Creek Canal C-9?

The structure is 180 ft (54.9 m) long with a longest span of 60 ft (18.3 m) and a deck 79 ft wide.

Who owns SR91 SB Tpk 2.514 over Snake Creek Canal C-9?

It is owned by the State Toll Authority.