US Bridges

US-27 (SR-25) over Bolles Canal (L-21)

Good

Palm Beach County, Florida · 3.8 Miles South of SR80 E · Structure no. 930342

Built
1989
36 years old, rebuilt 2024
Condition
Good
inspected January 2025
Type
Slab
Concrete Continuous
Length
75 ft
3 main spans
Daily traffic
9,300
2025 count
Owner
State
State Highway Agency

About this bridge

US-27 (SR-25) over Bolles Canal (L-21) is a concrete continuous slab carrying US-27 (SR-25) over Bolles Canal (L-21) in Palm Beach County, Florida. It was built in 1989 and reconstructed in 2024, so it is 36 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 9,300 vehicles a day, roughly 41% of them trucks, projected to reach 16,136 by 2045. The structure is 75 ft (22.9 m) long and 172 ft wide. If it were closed, the detour would be 51 mi (82 km).

CarriesUS-27 (SR-25)
CrossesBolles Canal (L-21)
Location3.8 Miles South of SR80 E
RouteU.S. Route 27
StateFlorida
Coordinates26.60966, -80.71162
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating37.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length75 ft (22.9 m)
Longest span29 ft (8.8 m)
Deck width172 ft (52.3 m)
Roadway width145 ft (44.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,300 (2025)
Projected traffic16,136 by 2045
Trucks41%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed51 mi (82 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 US-27 (SR-25) over Bolles Canal (L-21) built?

It was built in 1989, making it 36 years old in 2025. It was reconstructed in 2024.

What condition is US-27 (SR-25) over Bolles Canal (L-21) 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 January 2025.

How much traffic does US-27 (SR-25) over Bolles Canal (L-21) carry?

About 9,300 vehicles per day (2025 count), of which roughly 41% are trucks.

How long is US-27 (SR-25) over Bolles Canal (L-21)?

The structure is 75 ft (22.9 m) long with a longest span of 29 ft (8.8 m) and a deck 172 ft wide.

Who owns US-27 (SR-25) over Bolles Canal (L-21)?

It is owned by the State Highway Agency.