US Bridges

SR-551 over Unnamed Canal

Good

Orange County, Florida · 1 Mi. N of SR-15A · Structure no. 750403

Built
1997
28 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
32,500
2022 count
Owner
State
State Highway Agency

About this bridge

SR-551 over Unnamed Canal is a concrete culvert carrying SR-551 over Unnamed Canal in Orange County, Florida. It was built in 1997, so it is 28 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 32,500 vehicles a day, roughly 4% of them trucks, projected to reach 56,388 by 2044. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSR-551
CrossesUnnamed Canal
Location1 Mi. N of SR-15A
RouteState Highway 551
CountyOrange County
StateFlorida
Coordinates28.49155, -81.28541
Functional classUrban Minor 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating60.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 15
Structure length31 ft (9.5 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic32,500 (2022)
Projected traffic56,388 by 2044
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-551 over Unnamed Canal built?

It was built in 1997, making it 28 years old in 2025.

What condition is SR-551 over Unnamed Canal 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 June 2023.

How much traffic does SR-551 over Unnamed Canal carry?

About 32,500 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is SR-551 over Unnamed Canal?

The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3 m).

Who owns SR-551 over Unnamed Canal?

It is owned by the State Highway Agency.