US Bridges

Keystone Blvd. over Santa Cruz Waterway

Fair

Charlotte County, Florida · 0.8MI East of CR-771 · Structure no. 014053

Built
1975
50 years old
Condition
Fair
inspected October 2023
Type
Slab
Prestressed Concrete
Length
120 ft
5 main spans
Daily traffic
309
2023 count
Owner
County
County Highway Agency

About this bridge

Keystone Blvd. over Santa Cruz Waterway is a prestressed concrete slab carrying Keystone Blvd. over Santa Cruz Waterway in Charlotte County, Florida. It was built in 1975, so it is 50 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 309 vehicles a day, roughly 2% of them trucks, projected to reach 536 by 2042. The structure is 120 ft (36.6 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesKeystone Blvd.
CrossesSanta Cruz Waterway
Location0.8MI East of CR-771
RouteCounty Highway 0
StateFlorida
Coordinates26.89503, -82.22741
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.3 US tons
Inventory rating34.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadUnknown
Structure length120 ft (36.6 m)
Longest span24 ft (7.3 m)
Deck width36 ft (11.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic309 (2023)
Projected traffic536 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Keystone Blvd. over Santa Cruz Waterway built?

It was built in 1975, making it 50 years old in 2025.

What condition is Keystone Blvd. over Santa Cruz 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 October 2023.

How much traffic does Keystone Blvd. over Santa Cruz Waterway carry?

About 309 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Keystone Blvd. over Santa Cruz Waterway?

The structure is 120 ft (36.6 m) long with a longest span of 24 ft (7.3 m) and a deck 36 ft wide.

Who owns Keystone Blvd. over Santa Cruz Waterway?

It is owned by the County Highway Agency.