US Bridges

SR618 Selmon WB over US-301 (SR-43)

Good

Hillsborough County, Florida · 1.1MI West of I-75 · Structure no. 100465

Built
1984
41 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
248 ft
4 main spans
Daily traffic
37,000
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR618 Selmon WB over US-301 (SR-43) is a prestressed concrete stringer/multi-beam or girder carrying SR618 Selmon WB over US-301 (SR-43) in Hillsborough County, Florida. It was built in 1984, so it is 41 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 37,000 vehicles a day, roughly 8% of them trucks, projected to reach 64,195 by 2044. The structure is 248 ft (75.5 m) long and 39 ft wide.

CarriesSR618 Selmon WB
CrossesUS-301 (SR-43)
Location1.1MI West of I-75
RouteState Highway 618
StateFlorida
Coordinates27.9305, -82.35118
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 rating56 US tons
Inventory rating47 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length248 ft (75.5 m)
Longest span82 ft (25 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,000 (2022)
Projected traffic64,195 by 2044
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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 SR618 Selmon WB over US-301 (SR-43) built?

It was built in 1984, making it 41 years old in 2025.

What condition is SR618 Selmon WB over US-301 (SR-43) 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 WB over US-301 (SR-43) carry?

About 37,000 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is SR618 Selmon WB over US-301 (SR-43)?

The structure is 248 ft (75.5 m) long with a longest span of 82 ft (25 m) and a deck 39 ft wide.

Who owns SR618 Selmon WB over US-301 (SR-43)?

It is owned by the State Toll Authority.