STC3879;BURTON Ln over Little Weiser River
Washington County, Idaho · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- STC3879;BURTON Ln over Little Weiser River in Washington County, Idaho, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1991, making it 34 years old at the 2025 inventory.
- It carries about 140 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 26 of the 80 inventoried bridges in Washington County rated good (32.5%); 4 (5.0%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated September 2023, on a 48-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (44.54542, -116.65567)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 119 ft |
| Location | 1.8 S. 1.0 E. Cambridge |
| NBI structure number | 000000000020026 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2023 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Idaho department of transportation.
Busiest bridges in Washington County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 95 over Robertson Slough | 2017 | 7,800 | Good |
| US 95 over Weiser River | 2013 | 7,700 | Fair |
| US 95 over Monroe Creek | 1999 | 5,600 | Good |
| US 95 over Galloway Canal | 1999 | 5,600 | Good |
| US 95 over Manns Creek | 2004 | 4,400 | Fair |
| US 95 over Sage Creek | 1964 | 4,400 | Fair |
All bridges nearby: Washington County, ID bridge conditions · every bridge in Washington County · Idaho bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.