US Bridges

SR-70 over Popash Slough

Fair

Okeechobee County, Florida · 5.3 MI East of Kiss River · Structure no. 910002

Built
1967
58 years old
Condition
Fair
inspected April 2024
Type
Slab
Prestressed Concrete
Length
120 ft
4 main spans
Daily traffic
6,600
2024 count
Owner
State
State Highway Agency

About this bridge

SR-70 over Popash Slough is a prestressed concrete slab carrying SR-70 over Popash Slough in Okeechobee County, Florida. It was built in 1967, so it is 58 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 6,600 vehicles a day, roughly 23% of them trucks, projected to reach 8,250 by 2044. The structure is 120 ft (36.6 m) long and 48 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesSR-70
CrossesPopash Slough
Location5.3 MI East of Kiss River
RouteState Highway 70
CountyOkeechobee County
StateFlorida
Coordinates27.24354, -80.89678
Functional classRural Principal Arterial - Other

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 protection9 ExcellentNo problems noted.
Last inspectionApril 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.9 US tons
Inventory rating34.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span30 ft (9.1 m)
Deck width48 ft (14.5 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2024)
Projected traffic8,250 by 2044
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 SR-70 over Popash Slough built?

It was built in 1967, making it 58 years old in 2025.

What condition is SR-70 over Popash Slough 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-70 over Popash Slough carry?

About 6,600 vehicles per day (2024 count), of which roughly 23% are trucks.

How long is SR-70 over Popash Slough?

The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 48 ft wide.

Who owns SR-70 over Popash Slough?

It is owned by the State Highway Agency.