US Bridges

SR-78 over Upper Nicodemus Slough

Fair

Glades County, Florida · 5.9MI East of US-27 · Structure no. 050062

Built
1990
35 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
122 ft
2 main spans
Daily traffic
4,409
2024 count
Owner
State
State Highway Agency

About this bridge

SR-78 over Upper Nicodemus Slough is a prestressed concrete stringer/multi-beam or girder carrying SR-78 over Upper Nicodemus Slough in Glades County, Florida. It was built in 1990, so it is 35 years old, younger 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 4,409 vehicles a day, roughly 23% of them trucks, projected to reach 7,650 by 2044. The structure is 122 ft (37.2 m) long and 47 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesSR-78
CrossesUpper Nicodemus Slough
Location5.9MI East of US-27
RouteState Highway 78
StateFlorida
Coordinates26.91952, -81.12234
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.8 US tons
Inventory rating45.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span61 ft (18.6 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,409 (2024)
Projected traffic7,650 by 2044
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 Upper Nicodemus Slough built?

It was built in 1990, making it 35 years old in 2025.

What condition is SR-78 over Upper Nicodemus 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 February 2024.

How much traffic does SR-78 over Upper Nicodemus Slough carry?

About 4,409 vehicles per day (2024 count), of which roughly 23% are trucks.

How long is SR-78 over Upper Nicodemus Slough?

The structure is 122 ft (37.2 m) long with a longest span of 61 ft (18.6 m) and a deck 47 ft wide.

Who owns SR-78 over Upper Nicodemus Slough?

It is owned by the State Highway Agency.