I 495 NB over ST110 /ST113/MERRIMACK
AT MERRIMAC RIVER · County 009, Massachusetts · Built 1963 · 3 Lanes · 58,225 vehicles/day
Structurally Deficient
— One or more key components rated 4 (Poor) or below
Overall
Deck
6
Satisfactory
Superstructure
3
Serious
Substructure
6
Satisfactory
Condition Ratings
| Component | Rating | Description |
|---|---|---|
| Deck | 6 | Satisfactory |
| Superstructure | 3 | Serious |
| Substructure | 6 | Satisfactory |
Location
42.753222, -71.1288
This bridge is in worse condition than 95.7% of bridges in County 009. The average bridge in Massachusetts is 0 years old; this one is 63 years old.
Nearby Bridges
I 495 SB over ST110 /ST113/MERRIMACK
Built 1963
I 495 NB over WATER MERRIMACK RIVER
Built 1964
I 495 SB over WATER MERRIMACK RIVER
Built 1964
ST125 CONN EB over I 495
Built 1961
ST125 CONN WB over I 495
Built 1961
ST113 PLSNT VAL ST over I 495
Built 1964
ST125 CONN WB over COMB FERRY RD&MBTA/BMRR
Built 1961
ST125 CONN EB over COMB FERRY RD&MBTA/BMRR
Built 1961
I 495 SB over ST213
Built 1964
I 495 NB over ST213
Built 1964
Bridge Details
- Structure #
- M170312XHDOTNBI
- Year Built
- 1963
- Length
- 52.6 m (172.6 ft)
- Max Span
- 20.7 m
- Width
- 15.9 m (52.2 ft)
- Lanes
- 3
- Daily Traffic
- 58,225
- Material
- Steel
- Design
- Stringer/Multi-beam or Girder
- Owner
- State Highway Agency
- Last Inspected
- N/A
- Est. Improvement
- $5,471,000
- Total Project Cost
- $8,207,000
Data from FHWA National Bridge Inventory. Bridge conditions may have changed since the last inspection. This site is not affiliated with FHWA. Do not use for route clearance purposes.