US Bridges

CR77 (rowan RD Sb) over Pithlachascotee River

Good

Pasco County, Florida · 500FT. S of Plathe RD · Structure no. 144049

Built
1999
26 years old
Condition
Good
inspected February 2024
Type
Slab
Prestressed Concrete
Length
144 ft
3 main spans
Daily traffic
22,000
2024 count
Owner
County
County Highway Agency

About this bridge

CR77 (rowan RD Sb) over Pithlachascotee River is a prestressed concrete slab carrying CR77 (rowan RD Sb) over Pithlachascotee River in Pasco County, Florida. It was built in 1999, so it is 26 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 22,000 vehicles a day, roughly 13% of them trucks, projected to reach 38,170 by 2042. The structure is 144 ft (43.9 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCR77 (rowan RD Sb)
CrossesPithlachascotee River
Location500FT. S of Plathe RD
RouteCounty Highway 77
StateFlorida
Coordinates28.23738, -82.69401
Functional classUrban Local

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 inspectionFebruary 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.8 US tons
Inventory rating55.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span48 ft (14.6 m)
Deck width44 ft (13.3 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,000 (2024)
Projected traffic38,170 by 2042
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 CR77 (rowan RD Sb) over Pithlachascotee River built?

It was built in 1999, making it 26 years old in 2025.

What condition is CR77 (rowan RD Sb) over Pithlachascotee 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 February 2024.

How much traffic does CR77 (rowan RD Sb) over Pithlachascotee River carry?

About 22,000 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is CR77 (rowan RD Sb) over Pithlachascotee River?

The structure is 144 ft (43.9 m) long with a longest span of 48 ft (14.6 m) and a deck 44 ft wide.

Who owns CR77 (rowan RD Sb) over Pithlachascotee River?

It is owned by the County Highway Agency.