US Bridges

CR-640 (lithia Pin over Alafia River

Good

Hillsborough County, Florida · 1.6MI E of CR-39 · Structure no. 104804

Built
2011
14 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
220 ft
7 main spans
Daily traffic
6,321
2023 count
Owner
County
County Highway Agency

About this bridge

CR-640 (lithia Pin over Alafia River is a concrete continuous slab carrying CR-640 (lithia Pin over Alafia River in Hillsborough County, Florida. It was built in 2011, so it is 14 years old, younger 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 6,321 vehicles a day, roughly 10% of them trucks, projected to reach 13,904 by 2042. The structure is 220 ft (67.1 m) long and 55 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesCR-640 (lithia Pin
CrossesAlafia River
Location1.6MI E of CR-39
RouteCounty Highway 640
CountyHillsborough County
StateFlorida
Coordinates27.8506, -82.11599
Functional classRural Major Collector

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.1 US tons
Inventory rating32.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHL 93
Structure length220 ft (67.1 m)
Longest span34 ft (10.4 m)
Deck width55 ft (16.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,321 (2023)
Projected traffic13,904 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed19.9 mi (32 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 Pin over Alafia River built?

It was built in 2011, making it 14 years old in 2025.

What condition is CR-640 (lithia Pin over Alafia River 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 October 2023.

How much traffic does CR-640 (lithia Pin over Alafia River carry?

About 6,321 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is CR-640 (lithia Pin over Alafia River?

The structure is 220 ft (67.1 m) long with a longest span of 34 ft (10.4 m) and a deck 55 ft wide.

Who owns CR-640 (lithia Pin over Alafia River?

It is owned by the County Highway Agency.