US Bridges

SB I 95 Off Ramp over Mercer Ave and CSX RR

Good

Palm Beach County, Florida · SB Ramp to Wpb Airport · Structure no. 930494

Built
2004
21 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
341 ft
2 main spans
Daily traffic
4,700
2024 count
Owner
State
State Highway Agency

About this bridge

SB I 95 Off Ramp over Mercer Ave and CSX RR is a steel continuous stringer/multi-beam or girder carrying SB I 95 Off Ramp over Mercer Ave and CSX RR in Palm Beach County, Florida. It was built in 2004, so it is 21 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 4,700 vehicles a day, roughly 4% of them trucks, projected to reach 8,154 by 2042. The structure is 341 ft (104 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSB I 95 Off Ramp
CrossesMercer Ave and CSX RR
LocationSB Ramp to Wpb Airport
RouteInterstate 95
StateFlorida
Coordinates26.69347, -80.06831
Functional classUrban Principal Arterial - Interstate

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.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.2 US tons
Inventory rating38.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length341 ft (104 m)
Longest span171 ft (52 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2024)
Projected traffic8,154 by 2042
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SB I 95 Off Ramp over Mercer Ave and CSX RR built?

It was built in 2004, making it 21 years old in 2025.

What condition is SB I 95 Off Ramp over Mercer Ave and CSX RR 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 October 2024.

How much traffic does SB I 95 Off Ramp over Mercer Ave and CSX RR carry?

About 4,700 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is SB I 95 Off Ramp over Mercer Ave and CSX RR?

The structure is 341 ft (104 m) long with a longest span of 171 ft (52 m) and a deck 30 ft wide.

Who owns SB I 95 Off Ramp over Mercer Ave and CSX RR?

It is owned by the State Highway Agency.