US Bridges

SR-518 over Indian River Relief

Fair

Brevard County, Florida · SR-518 - Indian River Rel · Structure no. 700183

Built
1988
37 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
702 ft
18 main spans
Daily traffic
36,500
2024 count
Owner
State
State Highway Agency

About this bridge

SR-518 over Indian River Relief is a concrete continuous slab carrying SR-518 over Indian River Relief in Brevard County, Florida. It was built in 1988, so it is 37 years old, younger 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 36,500 vehicles a day, roughly 5% of them trucks, projected to reach 63,328 by 2044. The structure is 702 ft (214 m) long and 97 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesSR-518
CrossesIndian River Relief
LocationSR-518 - Indian River Rel
RouteState Highway 518
StateFlorida
Coordinates28.13749, -80.60213
Functional classUrban Other Principal Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating37.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans18
Design loadHS 20
Structure length702 ft (214 m)
Longest span39 ft (11.9 m)
Deck width97 ft (29.6 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,500 (2024)
Projected traffic63,328 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$254,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR-518 over Indian River Relief built?

It was built in 1988, making it 37 years old in 2025.

What condition is SR-518 over Indian River Relief 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 April 2024.

How much traffic does SR-518 over Indian River Relief carry?

About 36,500 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SR-518 over Indian River Relief?

The structure is 702 ft (214 m) long with a longest span of 39 ft (11.9 m) and a deck 97 ft wide.

Who owns SR-518 over Indian River Relief?

It is owned by the State Highway Agency.