US Bridges

SB I-95 (SR-9) over C-23 Canal

Good

Martin County, Florida · 2MI. N of SR714 on I95 · Structure no. 890110

Built
1984
41 years old, rebuilt 2009
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
304 ft
5 main spans
Daily traffic
41,998
2023 count
Owner
State
State Highway Agency

About this bridge

SB I-95 (SR-9) over C-23 Canal is a prestressed concrete stringer/multi-beam or girder carrying SB I-95 (SR-9) over C-23 Canal in Martin County, Florida. It was built in 1984 and reconstructed in 2009, so it is 41 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 41,998 vehicles a day, roughly 11% of them trucks, projected to reach 72,866 by 2045. The structure is 304 ft (92.6 m) long and 71 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSB I-95 (SR-9)
CrossesC-23 Canal
Location2MI. N of SR714 on I95
RouteInterstate 95
StateFlorida
Coordinates27.20628, -80.40081
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.9 US tons
Inventory rating40.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length304 ft (92.6 m)
Longest span61 ft (18.5 m)
Deck width71 ft (21.6 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,998 (2023)
Projected traffic72,866 by 2045
Trucks11%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SB I-95 (SR-9) over C-23 Canal built?

It was built in 1984, making it 41 years old in 2025. It was reconstructed in 2009.

What condition is SB I-95 (SR-9) over C-23 Canal 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 November 2024.

How much traffic does SB I-95 (SR-9) over C-23 Canal carry?

About 41,998 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SB I-95 (SR-9) over C-23 Canal?

The structure is 304 ft (92.6 m) long with a longest span of 61 ft (18.5 m) and a deck 71 ft wide.

Who owns SB I-95 (SR-9) over C-23 Canal?

It is owned by the State Highway Agency.