US Bridges

Palm Harbor Pkwy over Mulberry Creek

Fair

Flagler County, Florida · 0.1 MI N of Frontier DR · Structure no. 734067

Built
1978
47 years old
Condition
Fair
inspected January 2024
Type
Slab
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
5,300
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Palm Harbor Pkwy over Mulberry Creek is a prestressed concrete slab carrying Palm Harbor Pkwy over Mulberry Creek in Flagler County, Florida. It was built in 1978, 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 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 5,300 vehicles a day, roughly 7% of them trucks, projected to reach 9,196 by 2042. The structure is 120 ft (36.6 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPalm Harbor Pkwy
CrossesMulberry Creek
Location0.1 MI N of Frontier DR
RouteCity Street 0
StateFlorida
Coordinates29.58334, -81.21819
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.8 US tons
Inventory rating53.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width41 ft (12.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,300 (2022)
Projected traffic9,196 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Palm Harbor Pkwy over Mulberry Creek built?

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

What condition is Palm Harbor Pkwy over Mulberry 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 January 2024.

How much traffic does Palm Harbor Pkwy over Mulberry Creek carry?

About 5,300 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Palm Harbor Pkwy over Mulberry Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 41 ft wide.

Who owns Palm Harbor Pkwy over Mulberry Creek?

It is owned by the City or Municipal Highway Agency.