US Bridges

Service Road over Drainage Channel (tidal)

Fair

Hillsborough County, Florida · 0.25 Miles East of Marina · Structure no. AFFLNVZR00001

Built
1961
64 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
35 ft
3 main spans
Daily traffic
20
2024 count
Owner
Federal
Air Force

About this bridge

Service Road over Drainage Channel (tidal) is a concrete culvert carrying Service Road over Drainage Channel (tidal) in Hillsborough County, Florida. It was built in 1961, so it is 64 years old, older 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 20 vehicles a day, projected to reach 24 by 2044. The structure is 35 ft (10.8 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesService Road
CrossesDrainage Channel (tidal)
Location0.25 Miles East of Marina
CountyHillsborough County
StateFlorida
Coordinates27.8235, -82.48214
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length35 ft (10.8 m)
Longest span12 ft (3.7 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic24 by 2044
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerAir Force
Maintained byAir Force
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$90,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Service Road over Drainage Channel (tidal) built?

It was built in 1961, making it 64 years old in 2025.

What condition is Service Road over Drainage Channel (tidal) 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 January 2024.

How much traffic does Service Road over Drainage Channel (tidal) carry?

About 20 vehicles per day (2024 count).

How long is Service Road over Drainage Channel (tidal)?

The structure is 35 ft (10.8 m) long with a longest span of 12 ft (3.7 m) and a deck 34 ft wide.

Who owns Service Road over Drainage Channel (tidal)?

It is owned by the Air Force.