US Bridges

US-1 (SR-5) NB over North Relief Canal

Good

Indian River County, Florida · 4.3 Miles North of SR-60 · Structure no. 880029

Built
1961
64 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
12,000
2023 count
Owner
State
State Highway Agency

About this bridge

US-1 (SR-5) NB over North Relief Canal is a prestressed concrete stringer/multi-beam or girder carrying US-1 (SR-5) NB over North Relief Canal in Indian River County, Florida. It was built in 1961, so it is 64 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 12,000 vehicles a day, roughly 6% of them trucks, projected to reach 20,820 by 2042. The structure is 120 ft (36.6 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS-1 (SR-5) NB
CrossesNorth Relief Canal
Location4.3 Miles North of SR-60
RouteU.S. Route 1
StateFlorida
Coordinates27.69253, -80.41327
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.8 US tons
Inventory rating46.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2023)
Projected traffic20,820 by 2042
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-1 (SR-5) NB over North Relief Canal built?

It was built in 1961, making it 64 years old in 2025.

What condition is US-1 (SR-5) NB 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 May 2023.

How much traffic does US-1 (SR-5) NB over North Relief Canal carry?

About 12,000 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is US-1 (SR-5) NB over North Relief Canal?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 34 ft wide.

Who owns US-1 (SR-5) NB over North Relief Canal?

It is owned by the State Highway Agency.