US Bridges

CR-70A(SW 16th St) over Relief Canal

Fair

Okeechobee County, Florida · 2.0MI W of US-441 · Structure no. 914011

Built
1962
63 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
35 ft
3 main spans
Daily traffic
750
2025 count
Owner
County
County Highway Agency

About this bridge

CR-70A(SW 16th St) over Relief Canal is a concrete culvert carrying CR-70A(SW 16th St) over Relief Canal in Okeechobee County, Florida. It was built in 1962, so it is 63 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 750 vehicles a day, roughly 8% of them trucks, projected to reach 1,302 by 2044. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCR-70A(SW 16th St)
CrossesRelief Canal
Location2.0MI W of US-441
RouteCounty Highway 70A
StateFlorida
Coordinates27.22901, -80.86114
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating38.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 15
Structure length35 ft (10.7 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2025)
Projected traffic1,302 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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-70A(SW 16th St) over Relief Canal built?

It was built in 1962, making it 63 years old in 2025.

What condition is CR-70A(SW 16th St) over Relief Canal 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 February 2025.

How much traffic does CR-70A(SW 16th St) over Relief Canal carry?

About 750 vehicles per day (2025 count), of which roughly 8% are trucks.

How long is CR-70A(SW 16th St) over Relief Canal?

The structure is 35 ft (10.7 m) long with a longest span of 10 ft (3.1 m).

Who owns CR-70A(SW 16th St) over Relief Canal?

It is owned by the County Highway Agency.