US Bridges

Maintenance Road over Lake Seminole B. Cnl

Good

Pinellas County, Florida · 0.1MI N of Bryan Dairy RD · Structure no. 154357

Built
1975
50 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
2
2023 count
Owner
County
County Highway Agency

About this bridge

Maintenance Road over Lake Seminole B. Cnl is a concrete culvert carrying Maintenance Road over Lake Seminole B. Cnl in Pinellas County, Florida. It was built in 1975, so it is 50 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2 vehicles a day, projected to reach 4 by 2042. The structure is 21 ft (6.4 m) long.

Location

Open in Google Maps
CarriesMaintenance Road
CrossesLake Seminole B. Cnl
Location0.1MI N of Bryan Dairy RD
CountyPinellas County
StateFlorida
Coordinates27.87345, -82.76752
Functional classUrban Local

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.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.5 US tons
Inventory rating39.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2 (2023)
Projected traffic4 by 2042
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Maintenance Road over Lake Seminole B. Cnl built?

It was built in 1975, making it 50 years old in 2025.

What condition is Maintenance Road over Lake Seminole B. Cnl 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 Maintenance Road over Lake Seminole B. Cnl carry?

About 2 vehicles per day (2023 count).

How long is Maintenance Road over Lake Seminole B. Cnl?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3.1 m).

Who owns Maintenance Road over Lake Seminole B. Cnl?

It is owned by the County Highway Agency.