US Bridges

Longboat Blvd NB over Two Waters Inlet

Fair

Hillsborough County, Florida · 0.1MI S of Hillsboro Ave · Structure no. 104252

Built
1977
48 years old
Condition
Fair
inspected October 2023
Type
Slab
Prestressed Concrete
Length
90 ft
3 main spans
Daily traffic
2,190
2023 count
Owner
County
County Highway Agency

About this bridge

Longboat Blvd NB over Two Waters Inlet is a prestressed concrete slab carrying Longboat Blvd NB over Two Waters Inlet in Hillsborough County, Florida. It was built in 1977, so it is 48 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 5 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 2,190 vehicles a day, roughly 3% of them trucks, projected to reach 2,738 by 2042. The structure is 90 ft (27.4 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesLongboat Blvd NB
CrossesTwo Waters Inlet
Location0.1MI S of Hillsboro Ave
RouteCity Street 0
CountyHillsborough County
StateFlorida
Coordinates28.0049, -82.60231
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66.1 US tons
Inventory rating39.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length90 ft (27.4 m)
Longest span30 ft (9.2 m)
Deck width35 ft (10.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,190 (2023)
Projected traffic2,738 by 2042
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
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 Longboat Blvd NB over Two Waters Inlet built?

It was built in 1977, making it 48 years old in 2025.

What condition is Longboat Blvd NB over Two Waters Inlet 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 October 2023.

How much traffic does Longboat Blvd NB over Two Waters Inlet carry?

About 2,190 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Longboat Blvd NB over Two Waters Inlet?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.2 m) and a deck 35 ft wide.

Who owns Longboat Blvd NB over Two Waters Inlet?

It is owned by the County Highway Agency.