US Bridges

Narcoossee Road over Myrtle Bay

Good

Orange County, Florida · 0.6 MI North of SR-417 · Structure no. 754087

Built
1989
36 years old, rebuilt 1999
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
38 ft
4 main spans
Daily traffic
38,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Narcoossee Road over Myrtle Bay is a concrete culvert carrying Narcoossee Road over Myrtle Bay in Orange County, Florida. It was built in 1989 and reconstructed in 1999, so it is 36 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 38,000 vehicles a day, roughly 9% of them trucks, projected to reach 65,930 by 2042. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesNarcoossee Road
CrossesMyrtle Bay
Location0.6 MI North of SR-417
RouteCounty Highway 15
StateFlorida
Coordinates28.40873, -81.24345
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.5 US tons
Inventory rating42.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length38 ft (11.6 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,000 (2023)
Projected traffic65,930 by 2042
Trucks9%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Narcoossee Road over Myrtle Bay built?

It was built in 1989, making it 36 years old in 2025. It was reconstructed in 1999.

What condition is Narcoossee Road over Myrtle Bay 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 November 2023.

How much traffic does Narcoossee Road over Myrtle Bay carry?

About 38,000 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Narcoossee Road over Myrtle Bay?

The structure is 38 ft (11.6 m) long with a longest span of 9 ft (2.7 m).

Who owns Narcoossee Road over Myrtle Bay?

It is owned by the City or Municipal Highway Agency.