US Bridges

NB I 95 SR 9 over Summit Boulevard

Good

Palm Beach County, Florida · Between SR 80 and SR 882 · Structure no. 930292

Built
1975
50 years old, rebuilt 2008
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
152 ft
3 main spans
Daily traffic
122,500
2024 count
Owner
State
State Highway Agency

About this bridge

NB I 95 SR 9 over Summit Boulevard is a prestressed concrete stringer/multi-beam or girder carrying NB I 95 SR 9 over Summit Boulevard in Palm Beach County, Florida. It was built in 1975 and reconstructed in 2008, so it is 50 years old, older 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 122,500 vehicles a day, roughly 7% of them trucks, projected to reach 212,538 by 2044. The structure is 152 ft (46.3 m) long and 115 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNB I 95 SR 9
CrossesSummit Boulevard
LocationBetween SR 80 and SR 882
RouteInterstate 95
StateFlorida
Coordinates26.66597, -80.07078
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 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 rating45.7 US tons
Inventory rating39.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length152 ft (46.3 m)
Longest span83 ft (25.3 m)
Deck width115 ft (35.2 m)
Roadway width113 ft (34.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic122,500 (2024)
Projected traffic212,538 by 2044
Trucks7%
Lanes on structure7
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 NB I 95 SR 9 over Summit Boulevard built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2008.

What condition is NB I 95 SR 9 over Summit Boulevard 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 September 2024.

How much traffic does NB I 95 SR 9 over Summit Boulevard carry?

About 122,500 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is NB I 95 SR 9 over Summit Boulevard?

The structure is 152 ft (46.3 m) long with a longest span of 83 ft (25.3 m) and a deck 115 ft wide.

Who owns NB I 95 SR 9 over Summit Boulevard?

It is owned by the State Highway Agency.