FARM LANE
Carrying FARM LANE over RED CEDAR RIVER
MICHIGAN STATE UNIVERSITY, Ingham, Michigan
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
FARM LANE in Ingham, Michigan sits above 5% of rated Michigan bridges on inventory load rating (18 t), while its 1926 build year is earlier than 96% of Ingham's recorded-year cohort (241 bridges).
FARM LANE in Ingham, Michigan is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1926, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure MI:000000000003965
PRE-1950 · CONCRETE · MULTI-SPAN · TIED-CTRL · HEAVY-ADT · LIGHT-LOAD · CAT-POOR
- PRE-1950 Pre-1950
- CONCRETE Concrete
- MULTI-SPAN 2 spans
- TIED-CTRL Tied control
- HEAVY-ADT Heavy ADT
- LIGHT-LOAD Light load
- CAT-POOR Poor
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: FARM LANE
The FARM LANE bridge in Ingham, Michigan carries FARM LANE over RED CEDAR RIVER. It was built in 1926, making it 100 years old today. It was last reconstructed in 1999, extending its service life. The structure is built primarily of concrete continuous and spans 2 sections, stretching 36.5 meters (120 feet) end to end. Daily traffic averages 11,510 vehicles, placing it in the heavily-trafficked tier of Michigan bridges. It is owned and maintained by Other State Agencies.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 4/9, substructure at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed.
How FARM LANE compares
Age against the county: built in 1926, earlier than 231 of Ingham's 241 bridges with a recorded construction year (96%), against a county median build year of 1968. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Michigan bridges with a recorded inventory load rating (11,366 of 11,371 rated).
FARM LANE vs every rated Michigan bridge
Inventory load rating (metric tons), FHWA NBI, this state
18 Top 95% higher than 5% of 11,366 bridges
rated Michigan bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Ingham inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 241 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1926
- Last Reconstructed
- 1999
- Material
- Concrete Continuous
- Number of Spans
- 2
- Structure Length
- 36.5 m (120 ft)
- Deck Width
- 22.3 m (73 ft)
- Owner
- Other State Agencies
- Avg Daily Traffic
- 11,510 vehicles/day
- Structure Number
- 000000000003965
Condition Analysis
- • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
- • The superstructure (beams and supports above the deck) rates poor at 4/9, with advanced deterioration recorded on the latest inspection.
- • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
FARM LANE 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 FARM LANE against other structures in Ingham and across Michigan. Michigan 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 FARM LANE?
FARM LANE in Ingham, Michigan has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is FARM LANE inspected?
FARM LANE'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 11,510 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. FARM LANE 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 FARM LANE?
FARM LANE has an NBI inventory load rating of 18.1 metric tons.
Who is responsible for maintaining FARM LANE?
FARM LANE is owned and maintained by Other State Agencies.
How old is FARM LANE and does age affect safety?
FARM LANE was built in 1926, making it 100 years old and last reconstructed in 1999.
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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.