US Bridges

NB SR-9 (I-95) over SR-70 (okeechobee Rd.)

Good

St. Lucie County, Florida · 2MI S of SR-68(ORANGE Av) · Structure no. 940102

Built
1977
48 years old, rebuilt 2014
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
245 ft
4 main spans
Daily traffic
36,906
2022 count
Owner
State
State Highway Agency

About this bridge

NB SR-9 (I-95) over SR-70 (okeechobee Rd.) is a prestressed concrete stringer/multi-beam or girder carrying NB SR-9 (I-95) over SR-70 (okeechobee Rd.) in St. Lucie County, Florida. It was built in 1977 and reconstructed in 2014, so it is 48 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 36,906 vehicles a day, roughly 17% of them trucks, projected to reach 64,031 by 2044. The structure is 245 ft (74.7 m) long and 99 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesNB SR-9 (I-95)
CrossesSR-70 (okeechobee Rd.)
Location2MI S of SR-68(ORANGE Av)
RouteInterstate 95
CountySt. Lucie County
StateFlorida
Coordinates27.416, -80.38829
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length245 ft (74.7 m)
Longest span81 ft (24.6 m)
Deck width99 ft (30.3 m)
Roadway width96 ft (29.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,906 (2022)
Projected traffic64,031 by 2044
Trucks17%
Lanes on structure6
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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 SR-9 (I-95) over SR-70 (okeechobee Rd.) built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2014.

What condition is NB SR-9 (I-95) over SR-70 (okeechobee Rd.) 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 NB SR-9 (I-95) over SR-70 (okeechobee Rd.) carry?

About 36,906 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is NB SR-9 (I-95) over SR-70 (okeechobee Rd.)?

The structure is 245 ft (74.7 m) long with a longest span of 81 ft (24.6 m) and a deck 99 ft wide.

Who owns NB SR-9 (I-95) over SR-70 (okeechobee Rd.)?

It is owned by the State Highway Agency.