US Bridges

I-4WBRAMPE/I-275NB over Nebraska Avenue

Good

Hillsborough County, Florida · I-4 & I-275 Interchange · Structure no. 100650

Built
2005
20 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
170 ft
3 main spans
Daily traffic
21,000
2022 count
Owner
State
State Highway Agency

About this bridge

I-4WBRAMPE/I-275NB over Nebraska Avenue is a prestressed concrete stringer/multi-beam or girder carrying I-4WBRAMPE/I-275NB over Nebraska Avenue 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 21,000 vehicles a day, roughly 12% of them trucks, projected to reach 36,435 by 2044. The structure is 170 ft (51.7 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesI-4WBRAMPE/I-275NB
CrossesNebraska Avenue
LocationI-4 & I-275 Interchange
RouteInterstate 4
CountyHillsborough County
StateFlorida
Coordinates27.96532, -82.45124
Functional classUrban Principal Arterial - Interstate

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.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating38.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length170 ft (51.7 m)
Longest span85 ft (25.8 m)
Deck width36 ft (10.9 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,000 (2022)
Projected traffic36,435 by 2044
Trucks12%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
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 I-4WBRAMPE/I-275NB over Nebraska Avenue built?

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

What condition is I-4WBRAMPE/I-275NB over Nebraska Avenue 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 June 2024.

How much traffic does I-4WBRAMPE/I-275NB over Nebraska Avenue carry?

About 21,000 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-4WBRAMPE/I-275NB over Nebraska Avenue?

The structure is 170 ft (51.7 m) long with a longest span of 85 ft (25.8 m) and a deck 36 ft wide.

Who owns I-4WBRAMPE/I-275NB over Nebraska Avenue?

It is owned by the State Highway Agency.