BridgeSafety
Seminole County, FL · Structure #770029

I-4

I-4 in 0.7 MI East Of SR-46, Seminole County, Florida received a condition grade of F (0/100). Built in 1959, the bridge carries 138K vehicles daily on I-4 over Outfall Ditch. It is classified as structurally deficient.

F
0/100
0
Condition Score
138K
Daily Traffic
1959
Year Built
7m
Length

Component Ratings

DeckSerious
0/9

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

SuperstructureSerious
0/9

Beams, girders, and trusses that support the deck

SubstructureSerious
0/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
I-4
Crosses Over
Outfall Ditch
State
Florida
County
Seminole County
Location
0.7 MI East Of SR-46
Year Built
1959
Reconstructed
2004
Age
67 years
Daily Traffic
138,000
Lanes
8
Length
7 meters
Owner
State Highway Agency
Structure Number
770029

About This Bridge

I-4 is a 67-year-old bridge located 0.7 MI East Of SR-46 in Seminole County, Florida. The bridge carries I-4 over Outfall Ditch with 8 traffic lanes, handling approximately 138K vehicles per day. Built in 1959 and reconstructed in 2004, the structure spans 7 meters.

The bridge received a Condition Grade of F (0/100) based on Federal Highway Administration inspection data. Its deck is rated 0/9 (serious), superstructure 0/9 (serious), and substructure 0/9 (serious). The bridge is classified as structurally deficient, meaning at least one major component is rated 4 or below — this signals a need for repair or replacement but does not necessarily indicate an immediate safety hazard.

This bridge is owned and maintained by State Highway Agency.

Location Map

0.7 MI East Of SR-46, Seminole County, Florida

28.819839, -81.333628

Open in Google Maps →

Frequently Asked Questions

I-4 has a Condition Score of 0/100 (Grade F). Its deck is rated 0/9, superstructure 0/9, and substructure 0/9 on the NBI scale. The bridge is classified as structurally deficient.

I-4 was built in 1959 and reconstructed in 2004, making it 67 years old. The average bridge age in the United States is 48 years.

I-4 carries approximately 138K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 7 meters long and located on I-4 in 0.7 MI East Of SR-46, Seminole County, Florida.

Yes, I-4 is classified as structurally deficient because at least one of its primary components (deck, superstructure, or substructure) is rated 4 or below on the 0-9 NBI scale. This does not necessarily mean it is unsafe, but it requires significant repair or replacement.

I-4 is located 0.7 MI East Of SR-46 in Seminole County, Florida. The bridge carries I-4 over Outfall Ditch. Its coordinates are 28.819839, -81.333628. It is maintained by State Highway Agency.

I-4 carries I-4 over Outfall Ditch. The bridge is 7 meters long and was built in 1959, with reconstruction in 2004.

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.