US Bridges

Kernan Blvd over Cedar Swamp Creek

Fair

Duval County, Florida · 0.1 MI South of US-90 · Structure no. 720772

Built
2009
16 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
42 ft
3 main spans
Daily traffic
33,500
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Kernan Blvd over Cedar Swamp Creek is a concrete culvert carrying Kernan Blvd over Cedar Swamp Creek in Duval County, Florida. It was built in 2009, so it is 16 years old, younger 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 33,500 vehicles a day, roughly 2% of them trucks, projected to reach 58,123 by 2042. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesKernan Blvd
CrossesCedar Swamp Creek
Location0.1 MI South of US-90
RouteCity Street 0
CountyDuval County
StateFlorida
Coordinates30.28472, -81.49
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length42 ft (12.8 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,500 (2023)
Projected traffic58,123 by 2042
Trucks2%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Kernan Blvd over Cedar Swamp Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is Kernan Blvd over Cedar Swamp 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 July 2023.

How much traffic does Kernan Blvd over Cedar Swamp Creek carry?

About 33,500 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Kernan Blvd over Cedar Swamp Creek?

The structure is 42 ft (12.8 m) long with a longest span of 11 ft (3.5 m).

Who owns Kernan Blvd over Cedar Swamp Creek?

It is owned by the City or Municipal Highway Agency.