US Bridges

CR-774 over Intracoastal Waterway

Fair

Sarasota County, Florida · 1.6MI W/O SR-776 · Structure no. 170058

Built
1964
61 years old
Condition
Fair
inspected August 2023
Type
Movable - Bascule
Steel
Length
614 ft
1 main span
Daily traffic
5,100
2022 count
Owner
County
County Highway Agency

About this bridge

CR-774 over Intracoastal Waterway is a steel movable - bascule carrying CR-774 over Intracoastal Waterway in Sarasota County, Florida. It was built in 1964, so it is 61 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 5 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 5,100 vehicles a day, roughly 3% of them trucks, projected to reach 6,375 by 2042. The structure is 614 ft (187.1 m) long and 38 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesCR-774
CrossesIntracoastal Waterway
Location1.6MI W/O SR-776
RouteCounty Highway 774
CountySarasota County
StateFlorida
Coordinates27.0116, -82.41005
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.3 US tons
Inventory rating24.8 US tons

Structure

Structure typeMovable - Bascule
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+10 approach)
Design loadUnknown
Structure length614 ft (187.1 m)
Longest span134 ft (40.7 m)
Deck width38 ft (11.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic5,100 (2022)
Projected traffic6,375 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed14.9 mi (24 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was CR-774 over Intracoastal Waterway built?

It was built in 1964, making it 61 years old in 2025.

What condition is CR-774 over Intracoastal Waterway 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 August 2023.

How much traffic does CR-774 over Intracoastal Waterway carry?

About 5,100 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is CR-774 over Intracoastal Waterway?

The structure is 614 ft (187.1 m) long with a longest span of 134 ft (40.7 m) and a deck 38 ft wide.

Who owns CR-774 over Intracoastal Waterway?

It is owned by the County Highway Agency.