US Bridges

SR-70 over Kissimmee River

Fair

Okeechobee County, Florida · 8.1 MI West of US-98 · Structure no. 910001

Built
1966
59 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
420 ft
3 main spans
Daily traffic
6,600
2024 count
Owner
State
State Highway Agency

About this bridge

SR-70 over Kissimmee River is a steel stringer/multi-beam or girder carrying SR-70 over Kissimmee River in Okeechobee County, Florida. It was built in 1966, so it is 59 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 25% of them trucks, projected to reach 8,250 by 2044. The structure is 420 ft (128.1 m) long and 33 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesSR-70
CrossesKissimmee River
Location8.1 MI West of US-98
RouteState Highway 70
StateFlorida
Coordinates27.23892, -80.98242
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43.9 US tons
Inventory rating33.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+4 approach)
Design loadHS 20
Structure length420 ft (128.1 m)
Longest span60 ft (18.3 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2024)
Projected traffic8,250 by 2044
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was SR-70 over Kissimmee River built?

It was built in 1966, making it 59 years old in 2025.

What condition is SR-70 over Kissimmee River 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 Kissimmee River carry?

About 6,600 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is SR-70 over Kissimmee River?

The structure is 420 ft (128.1 m) long with a longest span of 60 ft (18.3 m) and a deck 33 ft wide.

Who owns SR-70 over Kissimmee River?

It is owned by the State Highway Agency.