US Bridges

US-17 (SR-15) over Dunns Creek

Good

Putnam County, Florida · 8.3 Mi. S. of Palatka · Structure no. 760046

Built
1987
38 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
2,699 ft
30 main spans
Daily traffic
6,000
2023 count
Owner
State
State Highway Agency

About this bridge

US-17 (SR-15) over Dunns Creek is a prestressed concrete stringer/multi-beam or girder carrying US-17 (SR-15) over Dunns Creek in Putnam County, Florida. It was built in 1987, so it is 38 years old, younger than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,000 vehicles a day, roughly 7% of them trucks, projected to reach 10,410 by 2045. The structure is 2,699 ft (822.7 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS-17 (SR-15)
CrossesDunns Creek
Location8.3 Mi. S. of Palatka
RouteU.S. Route 17
CountyPutnam County
StateFlorida
Coordinates29.57741, -81.62627
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating52.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans30
Design loadHS 20
Structure length2,699 ft (822.7 m)
Longest span95 ft (29 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2023)
Projected traffic10,410 by 2045
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US-17 (SR-15) over Dunns Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is US-17 (SR-15) over Dunns Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does US-17 (SR-15) over Dunns Creek carry?

About 6,000 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US-17 (SR-15) over Dunns Creek?

The structure is 2,699 ft (822.7 m) long with a longest span of 95 ft (29 m) and a deck 47 ft wide.

Who owns US-17 (SR-15) over Dunns Creek?

It is owned by the State Highway Agency.