US Bridges

SR 836 WB over Blue Lagoon

Good

Miami-Dade County, Florida · 0.75 Mile W of SR 953 · Structure no. 870136

Built
1968
57 years old, rebuilt 2018
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
5 main spans
Daily traffic
89,500
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR 836 WB over Blue Lagoon is a prestressed concrete stringer/multi-beam or girder carrying SR 836 WB over Blue Lagoon in Miami-Dade County, Florida. It was built in 1968 and reconstructed in 2018, so it is 57 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 89,500 vehicles a day, roughly 3% of them trucks, projected to reach 155,283 by 2042. The structure is 240 ft (73.2 m) long and 94 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR 836 WB
CrossesBlue Lagoon
Location0.75 Mile W of SR 953
RouteState Highway 836
StateFlorida
Coordinates25.78377, -80.27427
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span58 ft (17.7 m)
Deck width94 ft (28.6 m)
Roadway width94 ft (28.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic89,500 (2023)
Projected traffic155,283 by 2042
Trucks3%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was SR 836 WB over Blue Lagoon built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2018.

What condition is SR 836 WB over Blue Lagoon 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 June 2023.

How much traffic does SR 836 WB over Blue Lagoon carry?

About 89,500 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SR 836 WB over Blue Lagoon?

The structure is 240 ft (73.2 m) long with a longest span of 58 ft (17.7 m) and a deck 94 ft wide.

Who owns SR 836 WB over Blue Lagoon?

It is owned by the State Toll Authority.