US Bridges

Slater Road over I-75 (SR-93)

Fair

Lee County, Florida · 2.9 Mi. N of SR-78 · Structure no. 120114

Built
1979
46 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
621 ft
4 main spans
Daily traffic
2,400
2022 count
Owner
State
State Highway Agency

About this bridge

Slater Road over I-75 (SR-93) is a steel continuous stringer/multi-beam or girder carrying Slater Road over I-75 (SR-93) in Lee County, Florida. It was built in 1979, so it is 46 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 2,400 vehicles a day, roughly 17% of them trucks, projected to reach 4,164 by 2044. The structure is 621 ft (189.4 m) long and 43 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSlater Road
CrossesI-75 (SR-93)
Location2.9 Mi. N of SR-78
RouteCounty Highway 0
CountyLee County
StateFlorida
Coordinates26.73973, -81.85059
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating28.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length621 ft (189.4 m)
Longest span156 ft (47.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2022)
Projected traffic4,164 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed6.8 mi (11 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Slater Road over I-75 (SR-93) built?

It was built in 1979, making it 46 years old in 2025.

What condition is Slater Road over I-75 (SR-93) 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 June 2023.

How much traffic does Slater Road over I-75 (SR-93) carry?

About 2,400 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is Slater Road over I-75 (SR-93)?

The structure is 621 ft (189.4 m) long with a longest span of 156 ft (47.5 m) and a deck 43 ft wide.

Who owns Slater Road over I-75 (SR-93)?

It is owned by the State Highway Agency.