I-93 US 4 SB over MERRIMACK RIVER
1.5 MI N. JCT RT3 · County 013, New Hampshire · Built 1959 · 2 Lanes · 25,801 vehicles/day
Overall
Deck
7
Good
Superstructure
5
Fair
Substructure
5
Fair
Condition Ratings
| Component | Rating | Description |
|---|---|---|
| Deck | 7 | Good |
| Superstructure | 5 | Fair |
| Substructure | 5 | Fair |
Location
43.228931, -71.536189
This bridge is in worse condition than 74.2% of bridges in County 013. The average bridge in New Hampshire is 0 years old; this one is 67 years old.
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Bridge Details
- Structure #
- 005201360011600
- Year Built
- 1959
- Reconstructed
- 1988
- Length
- 159.7 m (524 ft)
- Max Span
- 57.3 m
- Width
- 15.8 m (51.8 ft)
- Lanes
- 2
- Daily Traffic
- 25,801
- Material
- Steel Continuous
- Design
- Girder and Floorbeam System
- Owner
- State Highway Agency
- Last Inspected
- N/A
- Est. Improvement
- $272,000
- Total Project Cost
- $314,000
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.