US Bridges

CR-640 Lithia-Pine over Alafia River

Fair

Hillsborough County, Florida · 6.2MI South of SR-60 · Structure no. 100247

Built
1965
60 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
320 ft
8 main spans
Daily traffic
8,800
2024 count
Owner
County
County Highway Agency

About this bridge

CR-640 Lithia-Pine over Alafia River is a prestressed concrete stringer/multi-beam or girder carrying CR-640 Lithia-Pine over Alafia River in Hillsborough County, Florida. It was built in 1965, so it is 60 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 8,800 vehicles a day, roughly 5% of them trucks, projected to reach 11,000 by 2044. The structure is 320 ft (97.5 m) long and 35 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

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CarriesCR-640 Lithia-Pine
CrossesAlafia River
Location6.2MI South of SR-60
RouteCounty Highway 640
CountyHillsborough County
StateFlorida
Coordinates27.87262, -82.21132
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 alignment8: Equal to present desirable criteria
Operating rating54.8 US tons
Inventory rating49.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length320 ft (97.5 m)
Longest span40 ft (12.2 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,800 (2024)
Projected traffic11,000 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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-640 Lithia-Pine over Alafia River built?

It was built in 1965, making it 60 years old in 2025.

What condition is CR-640 Lithia-Pine over Alafia 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 CR-640 Lithia-Pine over Alafia River carry?

About 8,800 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is CR-640 Lithia-Pine over Alafia River?

The structure is 320 ft (97.5 m) long with a longest span of 40 ft (12.2 m) and a deck 35 ft wide.

Who owns CR-640 Lithia-Pine over Alafia River?

It is owned by the County Highway Agency.