US Bridges

SR618A Selmon Expy over 12th ST to 26th ST

Fair

Hillsborough County, Florida · 1.7MI W/O 50th ST (US-41) · Structure no. 100800

Built
2006
19 years old
Condition
Fair
inspected August 2024
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
6,842 ft
50 main spans
Daily traffic
7,300
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR618A Selmon Expy over 12th ST to 26th ST is a prestressed concrete continuous segmental box girder carrying SR618A Selmon Expy over 12th ST to 26th ST in Hillsborough County, Florida. It was built in 2006, so it is 19 years old, younger 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 7,300 vehicles a day, roughly 1% of them trucks, projected to reach 12,666 by 2044. The structure is 6,842 ft (2,085.4 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR618A Selmon Expy
Crosses12th ST to 26th ST
Location1.7MI W/O 50th ST (US-41)
RouteState Highway 618
StateFlorida
Coordinates27.95554, -82.44694
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.9 US tons
Inventory rating36 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans50
Design loadHS 20
Structure length6,842 ft (2,085.4 m)
Longest span156 ft (47.5 m)
Deck width60 ft (18.3 m)
Roadway width56 ft (17 m)
Vertical clearance over deck19 ft (5.7 m)

Traffic and service

Average daily traffic7,300 (2024)
Projected traffic12,666 by 2044
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR618A Selmon Expy over 12th ST to 26th ST built?

It was built in 2006, making it 19 years old in 2025.

What condition is SR618A Selmon Expy over 12th ST to 26th ST 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 August 2024.

How much traffic does SR618A Selmon Expy over 12th ST to 26th ST carry?

About 7,300 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR618A Selmon Expy over 12th ST to 26th ST?

The structure is 6,842 ft (2,085.4 m) long with a longest span of 156 ft (47.5 m) and a deck 60 ft wide.

Who owns SR618A Selmon Expy over 12th ST to 26th ST?

It is owned by the State Toll Authority.