US Bridges

CR-470 over Tsala Apopka Lake

Fair

Citrus County, Florida · 3.2 Miles East of US-41 · Structure no. 024025

Built
1961
64 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
4,200
2025 count
Owner
County
County Highway Agency

About this bridge

CR-470 over Tsala Apopka Lake is a concrete slab carrying CR-470 over Tsala Apopka Lake in Citrus County, Florida. It was built in 1961, so it is 64 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 4,200 vehicles a day, roughly 6% of them trucks, projected to reach 7,287 by 2047. The structure is 60 ft (18.3 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCR-470
CrossesTsala Apopka Lake
Location3.2 Miles East of US-41
RouteCounty Highway 470
StateFlorida
Coordinates28.85977, -82.29647
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width35 ft (10.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2025)
Projected traffic7,287 by 2047
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CR-470 over Tsala Apopka Lake built?

It was built in 1961, making it 64 years old in 2025.

What condition is CR-470 over Tsala Apopka Lake 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 January 2025.

How much traffic does CR-470 over Tsala Apopka Lake carry?

About 4,200 vehicles per day (2025 count), of which roughly 6% are trucks.

How long is CR-470 over Tsala Apopka Lake?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 35 ft wide.

Who owns CR-470 over Tsala Apopka Lake?

It is owned by the County Highway Agency.