US Bridges

SR-417 NB over Dowden Road

Fair

Orange County, Florida · SR417 Nb-Dowden Road · Structure no. 750464

Built
1992
33 years old, rebuilt 2023
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
142 ft
1 main span
Daily traffic
32,500
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR-417 NB over Dowden Road is a prestressed concrete stringer/multi-beam or girder carrying SR-417 NB over Dowden Road in Orange County, Florida. It was built in 1992 and reconstructed in 2023, so it is 33 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 32,500 vehicles a day, roughly 7% of them trucks, projected to reach 56,388 by 2042. The structure is 142 ft (43.4 m) long and 159 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesSR-417 NB
CrossesDowden Road
LocationSR417 Nb-Dowden Road
CountyOrange County
StateFlorida
Coordinates28.42783, -81.22813
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 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 rating44.3 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length142 ft (43.4 m)
Longest span140 ft (42.8 m)
Deck width159 ft (48.5 m)
Roadway width77 ft (23.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,500 (2022)
Projected traffic56,388 by 2042
Trucks7%
Lanes on structure8
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR-417 NB over Dowden Road built?

It was built in 1992, making it 33 years old in 2025. It was reconstructed in 2023.

What condition is SR-417 NB over Dowden Road 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 November 2023.

How much traffic does SR-417 NB over Dowden Road carry?

About 32,500 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR-417 NB over Dowden Road?

The structure is 142 ft (43.4 m) long with a longest span of 140 ft (42.8 m) and a deck 159 ft wide.

Who owns SR-417 NB over Dowden Road?

It is owned by the State Toll Authority.