US Bridges

4th Street over Lateral "b" Canal

Good

Indian River County, Florida · At CR-613 · Structure no. 884074

Built
2002
23 years old
Condition
Good
inspected January 2024
Type
Slab
Prestressed Concrete
Length
80 ft
2 main spans
Daily traffic
3,600
2024 count
Owner
County
County Highway Agency

About this bridge

4th Street over Lateral "b" Canal is a prestressed concrete slab carrying 4th Street over Lateral "b" Canal in Indian River County, Florida. It was built in 2002, so it is 23 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 3,600 vehicles a day, roughly 5% of them trucks, projected to reach 6,246 by 2042. The structure is 80 ft (24.4 m) long and 65 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries4th Street
CrossesLateral "b" Canal
LocationAt CR-613
RouteCounty Highway 0
StateFlorida
Coordinates27.60942, -80.44685
Functional classUrban Collector

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.1 US tons
Inventory rating58.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 25 or greater
Structure length80 ft (24.4 m)
Longest span40 ft (12.2 m)
Deck width65 ft (19.7 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2024)
Projected traffic6,246 by 2042
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 4th Street over Lateral "b" Canal built?

It was built in 2002, making it 23 years old in 2025.

What condition is 4th Street over Lateral "b" 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 January 2024.

How much traffic does 4th Street over Lateral "b" Canal carry?

About 3,600 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is 4th Street over Lateral "b" Canal?

The structure is 80 ft (24.4 m) long with a longest span of 40 ft (12.2 m) and a deck 65 ft wide.

Who owns 4th Street over Lateral "b" Canal?

It is owned by the County Highway Agency.