US Bridges

SR618 Selmon WB over CSX Railroad

Good

Hillsborough County, Florida · 0.6MI E of 22nd St. · Structure no. 100447

Built
1981
44 years old, rebuilt 2023
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
3 main spans
Daily traffic
25,500
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR618 Selmon WB over CSX Railroad is a prestressed concrete stringer/multi-beam or girder carrying SR618 Selmon WB over CSX Railroad in Hillsborough County, Florida. It was built in 1981 and reconstructed in 2023, so it is 44 years old, older 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 25,500 vehicles a day, roughly 6% of them trucks, projected to reach 44,242 by 2044. The structure is 200 ft (61 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR618 Selmon WB
CrossesCSX Railroad
Location0.6MI E of 22nd St.
RouteState Highway 618
CountyHillsborough County
StateFlorida
Coordinates27.95295, -82.4261
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.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.9 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length200 ft (61 m)
Longest span85 ft (25.9 m)
Deck width52 ft (15.8 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deck37 ft (11.3 m)

Traffic and service

Average daily traffic25,500 (2022)
Projected traffic44,242 by 2044
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 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 SR618 Selmon WB over CSX Railroad built?

It was built in 1981, making it 44 years old in 2025. It was reconstructed in 2023.

What condition is SR618 Selmon WB 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 July 2023.

How much traffic does SR618 Selmon WB over CSX Railroad carry?

About 25,500 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR618 Selmon WB over CSX Railroad?

The structure is 200 ft (61 m) long with a longest span of 85 ft (25.9 m) and a deck 52 ft wide.

Who owns SR618 Selmon WB over CSX Railroad?

It is owned by the State Toll Authority.