US Bridges

Leonid Road over Blockhouse Creek

Fair

Duval County, Florida · 0.3 MI East of SR 115 · Structure no. 724305

Built
1983
42 years old
Condition
Fair
inspected December 2024
Type
Channel Beam
Prestressed Concrete
Length
90 ft
3 main spans
Daily traffic
9,300
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Leonid Road over Blockhouse Creek is a prestressed concrete channel beam carrying Leonid Road over Blockhouse Creek in Duval County, Florida. It was built in 1983, so it is 42 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 9,300 vehicles a day, roughly 3% of them trucks, projected to reach 11,625 by 2046. The structure is 90 ft (27.4 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesLeonid Road
CrossesBlockhouse Creek
Location0.3 MI East of SR 115
RouteCity Street 0
StateFlorida
Coordinates30.42972, -81.68917
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.5 US tons
Inventory rating72.8 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width40 ft (12.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,300 (2024)
Projected traffic11,625 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Leonid Road over Blockhouse Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Leonid Road over Blockhouse Creek 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 December 2024.

How much traffic does Leonid Road over Blockhouse Creek carry?

About 9,300 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Leonid Road over Blockhouse Creek?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 40 ft wide.

Who owns Leonid Road over Blockhouse Creek?

It is owned by the City or Municipal Highway Agency.