US Bridges

Xtown (SR-618) WB over CSX Railroad and 26th ST

Good

Hillsborough County, Florida · 22nd Street Off-Ramp WB · Structure no. 100694

Built
2013
12 years old
Condition
Good
inspected January 2025
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
1,716 ft
10 main spans
Daily traffic
2,000
2025 count
Owner
Toll Authority
State Toll Authority

About this bridge

Xtown (SR-618) WB over CSX Railroad and 26th ST is a prestressed concrete continuous segmental box girder carrying Xtown (SR-618) WB over CSX Railroad and 26th ST in Hillsborough County, Florida. It was built in 2013, so it is 12 years old, younger 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 2,000 vehicles a day, roughly 10% of them trucks, projected to reach 2,500 by 2045. The structure is 1,716 ft (522.9 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesXtown (SR-618) WB
CrossesCSX Railroad and 26th ST
Location22nd Street Off-Ramp WB
CountyHillsborough County
StateFlorida
Coordinates27.95206, -82.43069
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50.5 US tons
Inventory rating39 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHL 93
Structure length1,716 ft (522.9 m)
Longest span254 ft (77.3 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic2,000 (2025)
Projected traffic2,500 by 2045
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and railroad
Detour if closed1.9 mi (3 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Highway Agency
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 Xtown (SR-618) WB over CSX Railroad and 26th ST built?

It was built in 2013, making it 12 years old in 2025.

What condition is Xtown (SR-618) WB over CSX Railroad and 26th ST 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 January 2025.

How much traffic does Xtown (SR-618) WB over CSX Railroad and 26th ST carry?

About 2,000 vehicles per day (2025 count), of which roughly 10% are trucks.

How long is Xtown (SR-618) WB over CSX Railroad and 26th ST?

The structure is 1,716 ft (522.9 m) long with a longest span of 254 ft (77.3 m) and a deck 43 ft wide.

Who owns Xtown (SR-618) WB over CSX Railroad and 26th ST?

It is owned by the State Toll Authority and maintained by the State Highway Agency.