US Bridges

74th Ave. over Lateral Canal D

Fair

Indian River County, Florida · At 4th Street · Structure no. 884023

Built
1963
62 years old, rebuilt 1997
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
75 ft
5 main spans
Daily traffic
280
2024 count
Owner
County
County Highway Agency

About this bridge

74th Ave. over Lateral Canal D is a concrete slab carrying 74th Ave. over Lateral Canal D in Indian River County, Florida. It was built in 1963 and reconstructed in 1997, so it is 62 years old, older 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 280 vehicles a day, roughly 10% of them trucks, projected to reach 350 by 2042. The structure is 75 ft (22.9 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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Carries74th Ave.
CrossesLateral Canal D
LocationAt 4th Street
RouteCounty Highway 0
CountyIndian River County
StateFlorida
Coordinates27.60963, -80.48002
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 alignment6: Equal to present minimum criteria
Operating rating56.1 US tons
Inventory rating33.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadH 10
Structure length75 ft (22.9 m)
Longest span15 ft (4.6 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2024)
Projected traffic350 by 2042
Trucks10%
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 74th Ave. over Lateral Canal D built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1997.

What condition is 74th Ave. over Lateral Canal D 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 January 2024.

How much traffic does 74th Ave. over Lateral Canal D carry?

About 280 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 74th Ave. over Lateral Canal D?

The structure is 75 ft (22.9 m) long with a longest span of 15 ft (4.6 m) and a deck 25 ft wide.

Who owns 74th Ave. over Lateral Canal D?

It is owned by the County Highway Agency.