US Bridges

US-17 (SR-5) over Nassau Creek

Fair

Nassau County, Florida · 1.25 Mi. N. of Duval Co. · Structure no. 740130

Built
2001
24 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
172 ft
5 main spans
Daily traffic
19,000
2023 count
Owner
State
State Highway Agency

About this bridge

US-17 (SR-5) over Nassau Creek is a concrete slab carrying US-17 (SR-5) over Nassau Creek in Nassau County, Florida. It was built in 2001, so it is 24 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 19,000 vehicles a day, roughly 6% of them trucks, projected to reach 32,965 by 2045. The structure is 172 ft (52.5 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesUS-17 (SR-5)
CrossesNassau Creek
Location1.25 Mi. N. of Duval Co.
RouteU.S. Route 17
CountyNassau County
StateFlorida
Coordinates30.59226, -81.59955
Functional classRural Principal Arterial - Other

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 inspectionMay 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.5 US tons
Inventory rating44.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length172 ft (52.5 m)
Longest span35 ft (10.7 m)
Deck width47 ft (14.2 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,000 (2023)
Projected traffic32,965 by 2045
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-17 (SR-5) over Nassau Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is US-17 (SR-5) over Nassau 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 May 2024.

How much traffic does US-17 (SR-5) over Nassau Creek carry?

About 19,000 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is US-17 (SR-5) over Nassau Creek?

The structure is 172 ft (52.5 m) long with a longest span of 35 ft (10.7 m) and a deck 47 ft wide.

Who owns US-17 (SR-5) over Nassau Creek?

It is owned by the State Highway Agency.