I-91 NB Ramp 138 over Mill River
Fair Condition61 years old11,000 vehicles/day
Location
| State | Connecticut |
| County | New Haven |
| Location | I-91 NB Exit No. 5 |
| Carries | I-91 NB Ramp 138 |
| Crosses | Mill River |
| Coordinates | 41.31565, -72.90617 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 151.9 ft (46.3 m) |
| Max Span | 77.8 ft (23.7 m) |
| Deck Width | 31.5 ft (9.6 m) |
| Deck Area | 444.5 sq m |
| Main Spans | 2 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 11,000 (2022) |
| Truck Traffic | 5% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 03014B |