US Bridges

SR-618A Selmon over CSX Railroad

Good

Hillsborough County, Florida · 1.6 Miles West of US-41 · Structure no. 100802

Built
2005
20 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
197 ft
3 main spans
Daily traffic
7,300
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR-618A Selmon over CSX Railroad is a prestressed concrete stringer/multi-beam or girder carrying SR-618A Selmon over CSX Railroad in Hillsborough County, Florida. It was built in 2005, so it is 20 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 7,300 vehicles a day, roughly 1% of them trucks, projected to reach 12,666 by 2044. The structure is 197 ft (60 m) long and 61 ft wide.

Location

Open in Google Maps
CarriesSR-618A Selmon
CrossesCSX Railroad
Location1.6 Miles West of US-41
RouteState Highway 618A
CountyHillsborough County
StateFlorida
Coordinates27.95274, -82.42622
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.7 US tons
Inventory rating41.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length197 ft (60 m)
Longest span97 ft (29.7 m)
Deck width61 ft (18.7 m)
Roadway width56 ft (17.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,300 (2022)
Projected traffic12,666 by 2044
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
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 SR-618A Selmon over CSX Railroad built?

It was built in 2005, making it 20 years old in 2025.

What condition is SR-618A Selmon over CSX Railroad 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 August 2023.

How much traffic does SR-618A Selmon over CSX Railroad carry?

About 7,300 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is SR-618A Selmon over CSX Railroad?

The structure is 197 ft (60 m) long with a longest span of 97 ft (29.7 m) and a deck 61 ft wide.

Who owns SR-618A Selmon over CSX Railroad?

It is owned by the State Toll Authority.