US Bridges

SR-907 over Biscayne Waterway

Good

Miami-Dade County, Florida · On Alton Rd. S. of I-195 · Structure no. 870710

Built
1992
33 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete Continuous
Length
165 ft
5 main spans
Daily traffic
44,500
2022 count
Owner
State
State Highway Agency

About this bridge

SR-907 over Biscayne Waterway is a concrete continuous slab carrying SR-907 over Biscayne Waterway in Miami-Dade County, Florida. It was built in 1992, so it is 33 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 44,500 vehicles a day, roughly 3% of them trucks, projected to reach 77,208 by 2044. The structure is 165 ft (50.3 m) long and 81 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR-907
CrossesBiscayne Waterway
LocationOn Alton Rd. S. of I-195
RouteState Highway 907
CountyMiami-Dade County
StateFlorida
Coordinates25.80938, -80.13623
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 protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length165 ft (50.3 m)
Longest span33 ft (10.1 m)
Deck width81 ft (24.7 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,500 (2022)
Projected traffic77,208 by 2044
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR-907 over Biscayne Waterway built?

It was built in 1992, making it 33 years old in 2025.

What condition is SR-907 over Biscayne Waterway 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 August 2023.

How much traffic does SR-907 over Biscayne Waterway carry?

About 44,500 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is SR-907 over Biscayne Waterway?

The structure is 165 ft (50.3 m) long with a longest span of 33 ft (10.1 m) and a deck 81 ft wide.

Who owns SR-907 over Biscayne Waterway?

It is owned by the State Highway Agency.