US Bridges

SR 809 Military over C-51 Canal

Fair

Palm Beach County, Florida · SR-80 & Military Trail · Structure no. 930460

Built
2007
18 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete
Length
189 ft
5 main spans
Daily traffic
46,500
2024 count
Owner
State
State Highway Agency

About this bridge

SR 809 Military over C-51 Canal is a concrete tee beam carrying SR 809 Military over C-51 Canal in Palm Beach County, Florida. It was built in 2007, so it is 18 years old, younger 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 46,500 vehicles a day, roughly 8% of them trucks, projected to reach 80,678 by 2042. The structure is 189 ft (57.5 m) long and 166 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 809 Military
CrossesC-51 Canal
LocationSR-80 & Military Trail
RouteState Highway 809
StateFlorida
Coordinates26.67694, -80.11194
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating63.7 US tons
Inventory rating38.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length189 ft (57.5 m)
Longest span44 ft (13.5 m)
Deck width166 ft (50.7 m)
Roadway width150 ft (45.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,500 (2024)
Projected traffic80,678 by 2042
Trucks8%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 809 Military over C-51 Canal built?

It was built in 2007, making it 18 years old in 2025.

What condition is SR 809 Military over C-51 Canal 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 June 2024.

How much traffic does SR 809 Military over C-51 Canal carry?

About 46,500 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is SR 809 Military over C-51 Canal?

The structure is 189 ft (57.5 m) long with a longest span of 44 ft (13.5 m) and a deck 166 ft wide.

Who owns SR 809 Military over C-51 Canal?

It is owned by the State Highway Agency.