US Bridges

Sebastian Blvd WB over St. Sebastian River

Good

Indian River County, Florida · 2.8 MI East of I-95 · Structure no. 884079

Built
2007
18 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
242 ft
3 main spans
Daily traffic
8,400
2023 count
Owner
County
County Highway Agency

About this bridge

Sebastian Blvd WB over St. Sebastian River is a prestressed concrete stringer/multi-beam or girder carrying Sebastian Blvd WB over St. Sebastian River in Indian River County, Florida. It was built in 2007, so it is 18 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 8,400 vehicles a day, roughly 2% of them trucks, projected to reach 14,574 by 2042. The structure is 242 ft (73.9 m) long and 49 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSebastian Blvd WB
CrossesSt. Sebastian River
Location2.8 MI East of I-95
RouteCounty Highway 512
StateFlorida
Coordinates27.76964, -80.50586
Functional classUrban Minor Arterial

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating29.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length242 ft (73.9 m)
Longest span81 ft (24.7 m)
Deck width49 ft (15 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,400 (2023)
Projected traffic14,574 by 2042
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Sebastian Blvd WB over St. Sebastian River built?

It was built in 2007, making it 18 years old in 2025.

What condition is Sebastian Blvd WB over St. Sebastian River 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 April 2023.

How much traffic does Sebastian Blvd WB over St. Sebastian River carry?

About 8,400 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Sebastian Blvd WB over St. Sebastian River?

The structure is 242 ft (73.9 m) long with a longest span of 81 ft (24.7 m) and a deck 49 ft wide.

Who owns Sebastian Blvd WB over St. Sebastian River?

It is owned by the County Highway Agency.