I-290
I-290 in 1.2 M S Il 72, Cook County, Illinois received a condition grade of F (0/100). Built in 1970, the bridge carries 143K vehicles daily on I-290 over Salt Creek. It is classified as structurally deficient.
I-290 carries an F on the BridgeSafety Condition Score with 0/100 — the bottom tier of the FHWA NBI distribution. Component ratings flag the structure for near-term rehabilitation or replacement; the bridge may remain open to traffic but is on the priority list for action.
The bridge was built in 1970 and is now 56 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. I-290 carries an average daily traffic count of 142,800 vehicles, with 10 lane(s) crossing Salt Creek. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.
Component Ratings
The riding surface, evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
I-290 is a 56-year-old bridge located 1.2 M S Il 72 in Cook County, Illinois. The bridge carries I-290 over Salt Creek with 10 traffic lanes, handling approximately 143K vehicles per day. Built in 1970, the structure spans 11 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
Frequently Asked Questions
I-290 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-290 was built in 1970, making it 56 years old. The average bridge age in the United States is 48 years.
I-290 carries approximately 143K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 11 meters long and located on I-290 in 1.2 M S Il 72, Cook County, Illinois.
Yes, I-290 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-290 is located 1.2 M S Il 72 in Cook County, Illinois. The bridge carries I-290 over Salt Creek. Its coordinates are 42.019819, -88.031258. It is maintained by State Highway Agency.
I-290 carries I-290 over Salt Creek. The bridge is 11 meters long and was built in 1970.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.
Source: FHWA National Bridge Inventory, 2026.