US Bridges

CR77 (rowan RD Nb) over Pithlachascotee River

Good

Pasco County, Florida · 0.1MI. S of Plathe Road · Structure no. 144025

Built
1978
47 years old, rebuilt 1999
Condition
Good
inspected February 2024
Type
Slab
Prestressed Concrete
Length
110 ft
3 main spans
Daily traffic
22,000
2024 count
Owner
County
County Highway Agency

About this bridge

CR77 (rowan RD Nb) over Pithlachascotee River is a prestressed concrete slab carrying CR77 (rowan RD Nb) over Pithlachascotee River in Pasco County, Florida. It was built in 1978 and reconstructed in 1999, so it is 47 years old, older 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 110 ft (33.4 m) long and 48 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCR77 (rowan RD Nb)
CrossesPithlachascotee River
Location0.1MI. S of Plathe Road
RouteCounty Highway CR-77
StateFlorida
Coordinates28.23756, -82.6938
Functional classUrban 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 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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length110 ft (33.4 m)
Longest span42 ft (12.8 m)
Deck width48 ft (14.7 m)
Roadway width38 ft (11.7 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 Nb) over Pithlachascotee River built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 1999.

What condition is CR77 (rowan RD Nb) 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 Nb) over Pithlachascotee River carry?

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

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

The structure is 110 ft (33.4 m) long with a longest span of 42 ft (12.8 m) and a deck 48 ft wide.

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

It is owned by the County Highway Agency.