US Bridges

US-1 over Sebastian River

Fair

Brevard County, Florida · US-1 over Sebastian River · Structure no. 700224

Built
2008
17 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
983 ft
11 main spans
Daily traffic
14,300
2022 count
Owner
State
State Highway Agency

About this bridge

US-1 over Sebastian River is a prestressed concrete stringer/multi-beam or girder carrying US-1 over Sebastian River in Brevard County, Florida. It was built in 2008, so it is 17 years old, younger than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 14,300 vehicles a day, roughly 7% of them trucks, projected to reach 24,810 by 2044. The structure is 983 ft (299.6 m) long and 107 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS-1
CrossesSebastian River
LocationUS-1 over Sebastian River
RouteU.S. Route 1
StateFlorida
Coordinates27.85478, -80.49112
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.9 US tons
Inventory rating43.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans11
Design loadHL 93
Structure length983 ft (299.6 m)
Longest span89 ft (27.1 m)
Deck width107 ft (32.7 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,300 (2022)
Projected traffic24,810 by 2044
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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 US-1 over Sebastian River built?

It was built in 2008, making it 17 years old in 2025.

What condition is US-1 over Sebastian River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does US-1 over Sebastian River carry?

About 14,300 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is US-1 over Sebastian River?

The structure is 983 ft (299.6 m) long with a longest span of 89 ft (27.1 m) and a deck 107 ft wide.

Who owns US-1 over Sebastian River?

It is owned by the State Highway Agency.