US Bridges

US-ALT-1SB(SR-115) over SR-10A WB Ramp

Good

Duval County, Florida · SR-115SB over SR-10A Ramp · Structure no. 720098

Built
1961
64 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
165 ft
3 main spans
Daily traffic
2,600
2022 count
Owner
State
State Highway Agency

About this bridge

US-ALT-1SB(SR-115) over SR-10A WB Ramp is a prestressed concrete stringer/multi-beam or girder carrying US-ALT-1SB(SR-115) over SR-10A WB Ramp in Duval County, Florida. It was built in 1961, so it is 64 years old, older 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 2,600 vehicles a day, roughly 13% of them trucks, projected to reach 4,511 by 2044. The structure is 165 ft (50.3 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS-ALT-1SB(SR-115)
CrossesSR-10A WB Ramp
LocationSR-115SB over SR-10A Ramp
RouteU.S. Route 0A1
StateFlorida
Coordinates30.32854, -81.63675
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length165 ft (50.3 m)
Longest span87 ft (26.5 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2022)
Projected traffic4,511 by 2044
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$335,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-ALT-1SB(SR-115) over SR-10A WB Ramp built?

It was built in 1961, making it 64 years old in 2025.

What condition is US-ALT-1SB(SR-115) over SR-10A WB Ramp 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 2023.

How much traffic does US-ALT-1SB(SR-115) over SR-10A WB Ramp carry?

About 2,600 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is US-ALT-1SB(SR-115) over SR-10A WB Ramp?

The structure is 165 ft (50.3 m) long with a longest span of 87 ft (26.5 m) and a deck 34 ft wide.

Who owns US-ALT-1SB(SR-115) over SR-10A WB Ramp?

It is owned by the State Highway Agency.