BridgeSafety
Hillsborough County, FL · Structure #100143

I-4 WB

I-4 WB in 0.2 MI S Of I-4 I-275 JCT, Hillsborough County, Florida received a condition grade of B (71/100). Built in 1963, the bridge carries 236K vehicles daily on I-4 WB over Palm Avenue.

B
71/100
71
Condition Score
236K
Daily Traffic
1963
Year Built
44m
Length

Component Ratings

DeckGood
7/9

The riding surface — evaluated for cracking, spalling, and wear

SuperstructureGood
7/9

Beams, girders, and trusses that support the deck

SubstructureGood
7/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
I-4 WB
Crosses Over
Palm Avenue
State
Florida
County
Hillsborough County
Location
0.2 MI S Of I-4 I-275 JCT
Year Built
1963
Reconstructed
2006
Age
63 years
Daily Traffic
236,000
Lanes
3
Length
44 meters
Owner
State Highway Agency
Structure Number
100143

About This Bridge

I-4 WB is a 63-year-old bridge located 0.2 MI S Of I-4 I-275 JCT in Hillsborough County, Florida. The bridge carries I-4 WB over Palm Avenue with 3 traffic lanes, handling approximately 236K vehicles per day. Built in 1963 and reconstructed in 2006, the structure spans 44 meters.

The bridge received a Condition Grade of B (71/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

0.2 MI S Of I-4 I-275 JCT, Hillsborough County, Florida

27.962258, -82.453725

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Frequently Asked Questions

I-4 WB has a Condition Score of 71/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

I-4 WB was built in 1963 and reconstructed in 2006, making it 63 years old. The average bridge age in the United States is 48 years.

I-4 WB carries approximately 236K vehicles per day (average daily traffic). The bridge has 3 traffic lanes. It is 44 meters long and located on I-4 WB in 0.2 MI S Of I-4 I-275 JCT, Hillsborough County, Florida.

No, I-4 WB is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.

I-4 WB is located 0.2 MI S Of I-4 I-275 JCT in Hillsborough County, Florida. The bridge carries I-4 WB over Palm Avenue. Its coordinates are 27.962258, -82.453725. It is maintained by State Highway Agency.

I-4 WB carries I-4 WB over Palm Avenue. The bridge is 44 meters long and was built in 1963, with reconstruction in 2006.

Last updated:

Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.