US Bridges

CR-611 (43 Ave) over South Relief Canal

Good

Indian River County, Florida · 0.6MI N of CR-606 · Structure no. 880045

Built
1951
74 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete
Length
60 ft
4 main spans
Daily traffic
7,800
2024 count
Owner
County
County Highway Agency

About this bridge

CR-611 (43 Ave) over South Relief Canal is a concrete slab carrying CR-611 (43 Ave) over South Relief Canal in Indian River County, Florida. It was built in 1951, so it is 74 years old, older 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 7,800 vehicles a day, roughly 5% of them trucks, projected to reach 13,533 by 2042. The structure is 60 ft (18.4 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR-611 (43 Ave)
CrossesSouth Relief Canal
Location0.6MI N of CR-606
RouteCounty Highway 611
StateFlorida
Coordinates27.59816, -80.43057
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length60 ft (18.4 m)
Longest span15 ft (4.6 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,800 (2024)
Projected traffic13,533 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 CR-611 (43 Ave) over South Relief Canal built?

It was built in 1951, making it 74 years old in 2025.

What condition is CR-611 (43 Ave) over South 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 January 2024.

How much traffic does CR-611 (43 Ave) over South Relief Canal carry?

About 7,800 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is CR-611 (43 Ave) over South Relief Canal?

The structure is 60 ft (18.4 m) long with a longest span of 15 ft (4.6 m) and a deck 29 ft wide.

Who owns CR-611 (43 Ave) over South Relief Canal?

It is owned by the County Highway Agency.