Houghton Rd over Swift River
Oxford County, Maine · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Houghton Rd over Swift River in Oxford County, Maine, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1966 and reconstructed in 2001, making it 59 years old at the 2025 inventory.
- It carries about 50 vehicles a day (traffic count year 2016).
- Its listed owner is a town or township highway agency.
- It is one of 45 of the 253 inventoried bridges in Oxford County rated poor (17.8%); 45 (17.8%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its class is unchanged from 2024 (poor), but component ratings moved: substructure 6 to 5, deck 4 to 8.
- Its most recent inspection on record is dated January 2025, on a 12-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (44.76438, -70.64816)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 4 | 8 | Very good condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 6 | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 74 ft |
| Location | 200FT From RT17 |
| NBI structure number | 0795 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | January 2025 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Maine department of transportation.
Busiest bridges in Oxford County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Main St over Pennessewassee Outlet | 1938 | 17,709 | Good |
| Main St over Little Androscog River | 1997 | 14,489 | Good |
| Main St over Tannery (bird) Brook | 1929 | 11,655 | Poor |
| Main St over Swift River | 1952 | 10,165 | Poor |
| Main St over Pennesseewassee Stream | 1964 | 9,804 | Fair |
| River Rd over Webb River | 2012 | 9,795 | Good |
All bridges nearby: Oxford County, ME bridge conditions · every bridge in Oxford County · Maine bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.