Haines Highway over Chilkat River
Haines Borough, Alaska · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Haines Highway over Chilkat River in Haines Borough, Alaska, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1958, making it 67 years old at the 2025 inventory.
- It carries about 340 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 10 of the 20 inventoried bridges in Haines Borough rated fair (50.0%); 1 (5.0%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: deck 7 to 6.
- Its most recent inspection on record is dated May 2024, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (59.41515, -135.93251)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 503 ft |
| Location | Mile Point 23.2 |
| NBI structure number | 0742 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Alaska department of transportation.
Busiest bridges in Haines Borough
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Haines Highway over Muncaster Creek | 1999 | 160 | Good |
| Haines Highway over Little Boulder Creek | 1991 | 110 | Good |
| Haines Highway over Big Boulder Creek | 1991 | 110 | Good |
| Porcupine Crossing over Klehini River | 2017 | 110 | Good |
| Lutak Spur over Chilkoot River | 1979 | 90 | Fair |
| Marine Hwy Route over Haines Ferry Terminal | 1984 | 43 | Fair |
All bridges nearby: Haines Borough, AK bridge conditions · every bridge in Haines Borough · Alaska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.