US Bridges

SR-415 over Lake Ashby Canal

Fair

Volusia County, Florida · SR-415 - Lake Ashby Canal · Structure no. 790035

Built
1957
68 years old, rebuilt 1997
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
162 ft
5 main spans
Daily traffic
11,400
2022 count
Owner
State
State Highway Agency

About this bridge

SR-415 over Lake Ashby Canal is a concrete slab carrying SR-415 over Lake Ashby Canal in Volusia County, Florida. It was built in 1957 and reconstructed in 1997, so it is 68 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 11,400 vehicles a day, roughly 14% of them trucks, projected to reach 19,779 by 2044. The structure is 162 ft (49.4 m) long and 47 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

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CarriesSR-415
CrossesLake Ashby Canal
LocationSR-415 - Lake Ashby Canal
RouteState Highway 415
CountyVolusia County
StateFlorida
Coordinates28.94283, -81.10268
Functional classRural Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating38.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length162 ft (49.4 m)
Longest span32 ft (9.8 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,400 (2022)
Projected traffic19,779 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

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 SR-415 over Lake Ashby Canal built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1997.

What condition is SR-415 over Lake Ashby Canal 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 2023.

How much traffic does SR-415 over Lake Ashby Canal carry?

About 11,400 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is SR-415 over Lake Ashby Canal?

The structure is 162 ft (49.4 m) long with a longest span of 32 ft (9.8 m) and a deck 47 ft wide.

Who owns SR-415 over Lake Ashby Canal?

It is owned by the State Highway Agency.