US Bridges

US-17-92 over St. Johns River

Good

Seminole County, Florida · US-17-92 -St. Johns River · Structure no. 770070

Built
1994
31 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,645 ft
13 main spans
Daily traffic
35,000
2022 count
Owner
State
State Highway Agency

About this bridge

US-17-92 over St. Johns River is a prestressed concrete continuous stringer/multi-beam or girder carrying US-17-92 over St. Johns River in Seminole County, Florida. It was built in 1994, so it is 31 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 35,000 vehicles a day, roughly 13% of them trucks, projected to reach 60,725 by 2044. The structure is 1,645 ft (501.4 m) long and 85 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS-17-92
CrossesSt. Johns River
LocationUS-17-92 -St. Johns River
RouteU.S. Route 17
StateFlorida
Coordinates28.83746, -81.32435
Functional classUrban Other Principal Arterial

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 within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating38.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans13
Design loadHS 20
Structure length1,645 ft (501.4 m)
Longest span200 ft (61 m)
Deck width85 ft (25.9 m)
Roadway width67 ft (20.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,000 (2022)
Projected traffic60,725 by 2044
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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-17-92 over St. Johns River built?

It was built in 1994, making it 31 years old in 2025.

What condition is US-17-92 over St. Johns River 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-17-92 over St. Johns River carry?

About 35,000 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is US-17-92 over St. Johns River?

The structure is 1,645 ft (501.4 m) long with a longest span of 200 ft (61 m) and a deck 85 ft wide.

Who owns US-17-92 over St. Johns River?

It is owned by the State Highway Agency.