US Bridges

West Island Access over West Indian River Relief

Good

Martin County, Florida · Westside of Lyons Bridge · Structure no. 890148

Built
2006
19 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
537 ft
11 main spans
Daily traffic
14,900
2019 count
Owner
State
State Highway Agency

About this bridge

West Island Access over West Indian River Relief is a prestressed concrete stringer/multi-beam or girder carrying West Island Access over West Indian River Relief in Martin County, Florida. It was built in 2006, so it is 19 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 14,900 vehicles a day, roughly 5% of them trucks, projected to reach 18,500 by 2041. The structure is 537 ft (163.6 m) long and 51 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesWest Island Access
CrossesWest Indian River Relief
LocationWestside of Lyons Bridge
RouteState Highway 0
StateFlorida
Coordinates27.20444, -80.19722
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating64.8 US tons
Inventory rating38.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans11
Design loadHL 93
Structure length537 ft (163.6 m)
Longest span51 ft (15.5 m)
Deck width51 ft (15.5 m)
Roadway width49 ft (14.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,900 (2019)
Projected traffic18,500 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

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 West Island Access over West Indian River Relief built?

It was built in 2006, making it 19 years old in 2025.

What condition is West Island Access over West Indian River Relief 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 July 2023.

How much traffic does West Island Access over West Indian River Relief carry?

About 14,900 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is West Island Access over West Indian River Relief?

The structure is 537 ft (163.6 m) long with a longest span of 51 ft (15.5 m) and a deck 51 ft wide.

Who owns West Island Access over West Indian River Relief?

It is owned by the State Highway Agency.