US Bridges

Military Trail NB over L-30 Canal

Fair

Palm Beach County, Florida · 0.75MI N of Lake Ida Road · Structure no. 934937

Built
1990
35 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
111 ft
3 main spans
Daily traffic
18,750
2023 count
Owner
County
County Highway Agency

About this bridge

Military Trail NB over L-30 Canal is a concrete slab carrying Military Trail NB over L-30 Canal in Palm Beach County, Florida. It was built in 1990, so it is 35 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 18,750 vehicles a day, roughly 9% of them trucks, projected to reach 32,532 by 2045. The structure is 111 ft (33.8 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMilitary Trail NB
CrossesL-30 Canal
Location0.75MI N of Lake Ida Road
RouteCounty Highway 809
CountyPalm Beach County
StateFlorida
Coordinates26.48401, -80.1225
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 protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length111 ft (33.8 m)
Longest span43 ft (13.1 m)
Deck width56 ft (17 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,750 (2023)
Projected traffic32,532 by 2045
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Military Trail NB over L-30 Canal built?

It was built in 1990, making it 35 years old in 2025.

What condition is Military Trail NB over L-30 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 August 2024.

How much traffic does Military Trail NB over L-30 Canal carry?

About 18,750 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Military Trail NB over L-30 Canal?

The structure is 111 ft (33.8 m) long with a longest span of 43 ft (13.1 m) and a deck 56 ft wide.

Who owns Military Trail NB over L-30 Canal?

It is owned by the County Highway Agency.