US Bridges

SR618 Selmon EB over CSX RR

Good

Hillsborough County, Florida · 0.25 MI East of US-41 · Structure no. 100456

Built
1981
44 years old, rebuilt 2008
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
178 ft
3 main spans
Daily traffic
38,750
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR618 Selmon EB over CSX RR is a prestressed concrete stringer/multi-beam or girder carrying SR618 Selmon EB over CSX RR in Hillsborough County, Florida. It was built in 1981 and reconstructed in 2008, 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 38,750 vehicles a day, roughly 7% of them trucks, projected to reach 67,231 by 2044. The structure is 178 ft (54.4 m) long and 53 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR618 Selmon EB
CrossesCSX RR
Location0.25 MI East of US-41
RouteState Highway 618
CountyHillsborough County
StateFlorida
Coordinates27.94973, -82.39744
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length178 ft (54.4 m)
Longest span90 ft (27.5 m)
Deck width53 ft (16.3 m)
Roadway width51 ft (15.4 m)
Vertical clearance over deck24 ft (7.2 m)

Traffic and service

Average daily traffic38,750 (2022)
Projected traffic67,231 by 2044
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 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 EB over CSX RR built?

It was built in 1981, making it 44 years old in 2025. It was reconstructed in 2008.

What condition is SR618 Selmon EB over CSX RR 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 SR618 Selmon EB over CSX RR carry?

About 38,750 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR618 Selmon EB over CSX RR?

The structure is 178 ft (54.4 m) long with a longest span of 90 ft (27.5 m) and a deck 53 ft wide.

Who owns SR618 Selmon EB over CSX RR?

It is owned by the State Toll Authority.