US Bridges

NB 22 ST to EB I-4 over CSX RR SR-618 & SR-60

Good

Hillsborough County, Florida · 0.4MI E of 22nd ST(US41B) · Structure no. 100715

Built
2013
12 years old
Condition
Good
inspected December 2023
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
2,811 ft
16 main spans
Daily traffic
9,250
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

NB 22 ST to EB I-4 over CSX RR SR-618 & SR-60 is a prestressed concrete continuous segmental box girder carrying NB 22 ST to EB I-4 over CSX RR SR-618 & SR-60 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 9,250 vehicles a day, roughly 11% of them trucks, projected to reach 16,049 by 2042. The structure is 2,811 ft (856.7 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesNB 22 ST to EB I-4
CrossesCSX RR SR-618 & SR-60
Location0.4MI E of 22nd ST(US41B)
RouteState Highway 400
CountyHillsborough County
StateFlorida
Coordinates27.95299, -82.42549
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2023
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 rating44.3 US tons
Inventory rating36.7 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans16
Design loadHL 93
Structure length2,811 ft (856.7 m)
Longest span261 ft (79.5 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic9,250 (2023)
Projected traffic16,049 by 2042
Trucks11%
Lanes on structure1
Traffic directionOne-way traffic
CarriesFourth level (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 NB 22 ST to EB I-4 over CSX RR SR-618 & SR-60 built?

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

What condition is NB 22 ST to EB I-4 over CSX RR SR-618 & SR-60 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 December 2023.

How much traffic does NB 22 ST to EB I-4 over CSX RR SR-618 & SR-60 carry?

About 9,250 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NB 22 ST to EB I-4 over CSX RR SR-618 & SR-60?

The structure is 2,811 ft (856.7 m) long with a longest span of 261 ft (79.5 m) and a deck 30 ft wide.

Who owns NB 22 ST to EB I-4 over CSX RR SR-618 & SR-60?

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