US Bridges

Range Linerd CR609 over County Line Canal C-23

Fair

St. Lucie County, Florida · At Martin County Line · Structure no. 940026

Built
1963
62 years old, rebuilt 1987
Condition
Fair
inspected January 2025
Type
Slab
Prestressed Concrete
Length
177 ft
7 main spans
Daily traffic
2,000
2023 count
Owner
County
County Highway Agency

About this bridge

Range Linerd CR609 over County Line Canal C-23 is a prestressed concrete slab carrying Range Linerd CR609 over County Line Canal C-23 in St. Lucie County, Florida. It was built in 1963 and reconstructed in 1987, 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 2,000 vehicles a day, roughly 24% of them trucks, projected to reach 3,470 by 2045. The structure is 177 ft (54 m) long and 43 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesRange Linerd CR609
CrossesCounty Line Canal C-23
LocationAt Martin County Line
RouteCounty Highway 609
StateFlorida
Coordinates27.20629, -80.48141
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.3 US tons
Inventory rating62.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans7
Design loadHS 20
Structure length177 ft (54 m)
Longest span25 ft (7.6 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2023)
Projected traffic3,470 by 2045
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 Range Linerd CR609 over County Line Canal C-23 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1987.

What condition is Range Linerd CR609 over County Line Canal C-23 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 2025.

How much traffic does Range Linerd CR609 over County Line Canal C-23 carry?

About 2,000 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is Range Linerd CR609 over County Line Canal C-23?

The structure is 177 ft (54 m) long with a longest span of 25 ft (7.6 m) and a deck 43 ft wide.

Who owns Range Linerd CR609 over County Line Canal C-23?

It is owned by the County Highway Agency.