US Bridges

US-17 (SR-15) over Doctors Inlet

Fair

Clay County, Florida · S. of Orange Park · Structure no. 710049

Built
1971
54 years old, rebuilt 2010
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,875 ft
22 main spans
Daily traffic
58,000
2022 count
Owner
State
State Highway Agency

About this bridge

US-17 (SR-15) over Doctors Inlet is a prestressed concrete stringer/multi-beam or girder carrying US-17 (SR-15) over Doctors Inlet in Clay County, Florida. It was built in 1971 and reconstructed in 2010, so it is 54 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 58,000 vehicles a day, roughly 7% of them trucks, projected to reach 100,630 by 2044. The structure is 1,875 ft (571.5 m) long and 133 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesUS-17 (SR-15)
CrossesDoctors Inlet
LocationS. of Orange Park
RouteU.S. Route 17
CountyClay County
StateFlorida
Coordinates30.14954, -81.70087
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating42.5 US tons
Inventory rating37.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans22
Design loadHS 20
Structure length1,875 ft (571.5 m)
Longest span105 ft (32 m)
Deck width133 ft (40.5 m)
Roadway width110 ft (33.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58,000 (2022)
Projected traffic100,630 by 2044
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Doctors Inlet built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2010.

What condition is US-17 (SR-15) over Doctors Inlet 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 US-17 (SR-15) over Doctors Inlet carry?

About 58,000 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is US-17 (SR-15) over Doctors Inlet?

The structure is 1,875 ft (571.5 m) long with a longest span of 105 ft (32 m) and a deck 133 ft wide.

Who owns US-17 (SR-15) over Doctors Inlet?

It is owned by the State Highway Agency.