US Bridges

SR-78 over Kissimmee R. Overflow

Good

Glades County, Florida · 3.9 Miles West of US-441 · Structure no. 050054

Built
1978
47 years old
Condition
Good
inspected February 2024
Type
Slab
Prestressed Concrete
Length
176 ft
5 main spans
Daily traffic
7,500
2024 count
Owner
State
State Highway Agency

About this bridge

SR-78 over Kissimmee R. Overflow is a prestressed concrete slab carrying SR-78 over Kissimmee R. Overflow in Glades County, Florida. It was built in 1978, so it is 47 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,500 vehicles a day, roughly 21% of them trucks, projected to reach 13,012 by 2044. The structure is 176 ft (53.6 m) long and 47 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesSR-78
CrossesKissimmee R. Overflow
Location3.9 Miles West of US-441
RouteState Highway 78
StateFlorida
Coordinates27.14558, -80.87602
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.5 US tons
Inventory rating39 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length176 ft (53.6 m)
Longest span35 ft (10.8 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2024)
Projected traffic13,012 by 2044
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed34.8 mi (56 km)
TollOn a free road
National Highway SystemNo

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-78 over Kissimmee R. Overflow built?

It was built in 1978, making it 47 years old in 2025.

What condition is SR-78 over Kissimmee R. Overflow 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 February 2024.

How much traffic does SR-78 over Kissimmee R. Overflow carry?

About 7,500 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is SR-78 over Kissimmee R. Overflow?

The structure is 176 ft (53.6 m) long with a longest span of 35 ft (10.8 m) and a deck 47 ft wide.

Who owns SR-78 over Kissimmee R. Overflow?

It is owned by the State Highway Agency.