61ST AVENUE
Carrying 61ST AVENUE over TURKEY CREEK
00.60 E SR 53, Lake, Indiana
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
61ST AVENUE in Lake, Indiana sits above 22% of rated Indiana bridges on inventory load rating (29 t), while its 1977 build year is earlier than 60% of Lake's recorded-year cohort (501 bridges).
61ST AVENUE in Lake, Indiana is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1977, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. The lowest applicable rating sets the federal condition category, so this Fair 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 IN:4500095
INTERSTATE-ERA · STEEL · MULTI-SPAN · DECK-LED · HEAVY-ADT · STANDARD-LOAD · CAT-FAIR
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- MULTI-SPAN 3 spans
- DECK-LED Deck-led
- HEAVY-ADT Heavy ADT
- STANDARD-LOAD Standard load
- CAT-FAIR Fair
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: 61ST AVENUE
The 61ST AVENUE bridge in Lake, Indiana carries 61ST AVENUE over TURKEY CREEK. It was built in 1977, making it 49 years old today. The structure is built primarily of steel continuous and spans 3 sections, stretching 33.7 meters (111 feet) end to end. Daily traffic averages 22,387 vehicles, placing it in the heavily-trafficked tier of Indiana bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range.
How 61ST AVENUE compares
Age against the county: built in 1977, earlier than 303 of Lake's 501 bridges with a recorded construction year (60%), against a county median build year of 1991. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Indiana bridges with a recorded inventory load rating (19,495 rated).
61ST AVENUE vs every rated Indiana bridge
Inventory load rating (metric tons), FHWA NBI, this state
29 Top 78% higher than 22% of 19,495 bridges
rated Indiana 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.
Lake inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 501 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
- 1977
- Material
- Steel Continuous
- Number of Spans
- 3
- Structure Length
- 33.7 m (111 ft)
- Deck Width
- 22.3 m (73 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 22,387 vehicles/day
- Structure Number
- 4500095
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 fair at 6/9, minor deterioration that routine maintenance should address.
- • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether 61ST AVENUE is safe to cross today. Here is how to use it.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
- Compare 61ST AVENUE against other structures in Lake and across Indiana. Indiana 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 61ST AVENUE?
61ST AVENUE in Lake, Indiana has a deck rating of 5/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is 61ST AVENUE inspected?
61ST AVENUE'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 22,387 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. 61ST AVENUE is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for 61ST AVENUE?
61ST AVENUE has an NBI inventory load rating of 28.6 metric tons.
Who is responsible for maintaining 61ST AVENUE?
61ST AVENUE is owned and maintained by County Highway Agency.
How old is 61ST AVENUE and does age affect safety?
61ST AVENUE was built in 1977, making it 49 years old.
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.