NORTH BIRCH STREET
Carrying NORTH BIRCH STREET over LITTLE WOOD RIVER
IN SHOSHONE;N.BIRCH ST, Lincoln, Idaho
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: NORTH BIRCH STREET
The NORTH BIRCH STREET bridge in Lincoln, Idaho carries NORTH BIRCH STREET over LITTLE WOOD RIVER. It was built in 1913, making it 113 years old today. It was last reconstructed in 2000, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 19.2 meters (63 feet) end to end. Daily traffic averages 200 vehicles, placing it in the lower-traffic tier of Idaho bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 4/9, substructure at 6/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 15.4 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How NORTH BIRCH STREET compares
Live comparison across Idaho.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1913
- Last Reconstructed
- 2000
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 19.2 m (63 ft)
- Deck Width
- 4.9 m (16 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 200 vehicles/day
- Structure Number
- 000000000024910
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
- • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
How to read this record
NORTH BIRCH STREET is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare NORTH BIRCH STREET against other structures in Lincoln and across Idaho. Idaho bridges
- Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge
Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.
Frequently Asked Questions
What do the condition ratings mean for NORTH BIRCH STREET?
NORTH BIRCH STREET in Lincoln, Idaho has a deck rating of 6/9, superstructure rating of 4/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is NORTH BIRCH STREET inspected?
NORTH BIRCH STREET's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 200 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. NORTH BIRCH STREET is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for NORTH BIRCH STREET?
NORTH BIRCH STREET has an NBI inventory load rating of 15.4 metric tons.
Who is responsible for maintaining NORTH BIRCH STREET?
NORTH BIRCH STREET is owned and maintained by City/Municipal Highway Agency.
How old is NORTH BIRCH STREET and does age affect safety?
NORTH BIRCH STREET was built in 1913, making it 113 years old and last reconstructed in 2000.
Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.