US Bridges

I-95 SB (SR-9) over US-17 (SR-5)

Good

Nassau County, Florida · I-95 SB / US-17 · Structure no. 740940

Built
1968
57 years old, rebuilt 1992
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
394 ft
7 main spans
Daily traffic
28,250
2022 count
Owner
State
State Highway Agency

About this bridge

I-95 SB (SR-9) over US-17 (SR-5) is a prestressed concrete stringer/multi-beam or girder carrying I-95 SB (SR-9) over US-17 (SR-5) in Nassau County, Florida. It was built in 1968 and reconstructed in 1992, so it is 57 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 28,250 vehicles a day, roughly 18% of them trucks, projected to reach 49,014 by 2044. The structure is 394 ft (120.1 m) long and 67 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-95 SB (SR-9)
CrossesUS-17 (SR-5)
LocationI-95 SB / US-17
RouteInterstate 95
CountyNassau County
StateFlorida
Coordinates30.71135, -81.67166
Functional classRural 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.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.9 US tons
Inventory rating39.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length394 ft (120.1 m)
Longest span63 ft (19.2 m)
Deck width67 ft (20.3 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,250 (2022)
Projected traffic49,014 by 2044
Trucks18%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed0.6 mi (1 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 I-95 SB (SR-9) over US-17 (SR-5) built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1992.

What condition is I-95 SB (SR-9) over US-17 (SR-5) 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 2024.

How much traffic does I-95 SB (SR-9) over US-17 (SR-5) carry?

About 28,250 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is I-95 SB (SR-9) over US-17 (SR-5)?

The structure is 394 ft (120.1 m) long with a longest span of 63 ft (19.2 m) and a deck 67 ft wide.

Who owns I-95 SB (SR-9) over US-17 (SR-5)?

It is owned by the State Highway Agency.