16TH STR./MLK JR.
Carrying 16TH STR./MLK JR. over INDPLS WATER CO CANAL
00.60 W OF MERIDIAN STREE, Marion, Indiana
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: 16TH STR./MLK JR.
The 16TH STR./MLK JR. bridge in Marion, Indiana carries 16TH STR./MLK JR. over INDPLS WATER CO CANAL. It was built in 1935, making it 91 years old today. It was last reconstructed in 1979, extending its service life. The structure is built primarily of concrete continuous and spans 4 sections, stretching 42.1 meters (138 feet) end to end. Daily traffic averages 25,206 vehicles, placing it in the heavily-trafficked tier of Indiana bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show a deck rating of 4/9, superstructure at 4/9, substructure at 5/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 25.8 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How 16TH STR./MLK JR. compares
Live comparison across Indiana.
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 How the historical reference is calculated.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
- 1935
- Last Reconstructed
- 1979
- Material
- Concrete Continuous
- Number of Spans
- 4
- Structure Length
- 42.1 m (138 ft)
- Deck Width
- 21.5 m (71 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 25,206 vehicles/day
- Structure Number
- 4900209
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
- • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
- • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.
How to read this record
16TH STR./MLK JR. 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 16TH STR./MLK JR. against other structures in Marion 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 16TH STR./MLK JR.?
16TH STR./MLK JR. in Marion, Indiana has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is 16TH STR./MLK JR. inspected?
16TH STR./MLK JR.'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 25,206 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. 16TH STR./MLK JR. 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 16TH STR./MLK JR.?
16TH STR./MLK JR. has an NBI inventory load rating of 25.8 metric tons.
Who is responsible for maintaining 16TH STR./MLK JR.?
16TH STR./MLK JR. is owned and maintained by City/Municipal Highway Agency.
How old is 16TH STR./MLK JR. and does age affect safety?
16TH STR./MLK JR. was built in 1935, making it 91 years old and last reconstructed in 1979.
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.