US Bridges

Secretary Trail over Seminole Waterway

Good

Flagler County, Florida · 0.1MI SW of Selma Trail · Structure no. 735503

Built
1970
55 years old
Condition
Good
inspected December 2023
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
500
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Secretary Trail over Seminole Waterway is a prestressed concrete slab carrying Secretary Trail over Seminole Waterway in Flagler County, Florida. It was built in 1970, so it is 55 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 500 vehicles a day, roughly 1% of them trucks, projected to reach 625 by 2042. The structure is 40 ft (12.2 m) long and 35 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesSecretary Trail
CrossesSeminole Waterway
Location0.1MI SW of Selma Trail
RouteCity Street 0
StateFlorida
Coordinates29.41831, -81.16969
Functional classRural Local

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating76.9 US tons
Inventory rating46.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width35 ft (10.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic625 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemNo

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 Secretary Trail over Seminole Waterway built?

It was built in 1970, making it 55 years old in 2025.

What condition is Secretary Trail over Seminole Waterway 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 December 2023.

How much traffic does Secretary Trail over Seminole Waterway carry?

About 500 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Secretary Trail over Seminole Waterway?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 35 ft wide.

Who owns Secretary Trail over Seminole Waterway?

It is owned by the City or Municipal Highway Agency.