US Bridges

58th Avenue over North Relief Canal

Good

Indian River County, Florida · 0.4MI N of 49th St. · Structure no. 884109

Built
2023
2 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
7,473
2023 count
Owner
County
County Highway Agency

About this bridge

58th Avenue over North Relief Canal is a prestressed concrete stringer/multi-beam or girder carrying 58th Avenue over North Relief Canal in Indian River County, Florida. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,473 vehicles a day, roughly 6% of them trucks, projected to reach 12,966 by 2042. The structure is 53 ft (16.2 m) long and 104 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries58th Avenue
CrossesNorth Relief Canal
Location0.4MI N of 49th St.
RouteCounty Highway 613
StateFlorida
Coordinates27.69351, -80.44612
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating45.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length53 ft (16.2 m)
Longest span53 ft (16.2 m)
Deck width104 ft (31.8 m)
Roadway width102 ft (31.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,473 (2023)
Projected traffic12,966 by 2042
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
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 58th Avenue over North Relief Canal built?

It was built in 2023, making it 2 years old in 2025.

What condition is 58th Avenue over North Relief 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 September 2023.

How much traffic does 58th Avenue over North Relief Canal carry?

About 7,473 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is 58th Avenue over North Relief Canal?

The structure is 53 ft (16.2 m) long with a longest span of 53 ft (16.2 m) and a deck 104 ft wide.

Who owns 58th Avenue over North Relief Canal?

It is owned by the County Highway Agency.