OLD PORTER ROAD
Carrying OLD PORTER ROAD over SALT CREEK
00.20 W SALT CREEK RD, Porter, Indiana
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
OLD PORTER ROAD in Porter, Indiana sits above 60% of rated Indiana bridges on inventory load rating (35 t), while its 1970 build year is earlier than 43% of Porter's recorded-year cohort (277 bridges).
OLD PORTER ROAD in Porter, Indiana is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1970, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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:6400088
INTERSTATE-ERA · PRESTRESS · SINGLE-SPAN · SUB-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-GOOD
- INTERSTATE-ERA 1950–1979
- PRESTRESS Prestressed concrete
- SINGLE-SPAN Single span
- SUB-LED Substructure-led
- ARTERIAL-ADT Arterial ADT
- STANDARD-LOAD Standard load
- CAT-GOOD Good
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: OLD PORTER ROAD
The OLD PORTER ROAD bridge in Porter, Indiana carries OLD PORTER ROAD over SALT CREEK. It was built in 1970, making it 56 years old today. It was last reconstructed in 2019, extending its service life. The structure is built primarily of prestressed concrete continuous and spans 1 section, stretching 25.6 meters (84 feet) end to end. Daily traffic averages 2,650 vehicles, placing it in the moderately-trafficked tier of Indiana bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range.
How OLD PORTER ROAD compares
Age against the county: built in 1970, earlier than 120 of Porter's 277 bridges with a recorded construction year (43%), against a county median build year of 1969. This is one of the newer structures in its county.
Live comparison across Indiana bridges with a recorded inventory load rating (19,495 rated).
OLD PORTER ROAD vs every rated Indiana bridge
Inventory load rating (metric tons), FHWA NBI, this state
35 Top 40% higher than 60% 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.
Porter inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 277 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
- 1970
- Last Reconstructed
- 2019
- Material
- Prestressed Concrete Continuous
- Number of Spans
- 1
- Structure Length
- 25.6 m (84 ft)
- Deck Width
- 9.2 m (30 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 2,650 vehicles/day
- Structure Number
- 6400088
Condition Analysis
- • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
- • The superstructure (beams and supports above the deck) rates good at 8/9, with no significant deterioration on file.
- • 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 OLD PORTER ROAD 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 OLD PORTER ROAD against other structures in Porter 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 OLD PORTER ROAD?
OLD PORTER ROAD in Porter, Indiana has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is OLD PORTER ROAD inspected?
OLD PORTER ROAD'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 2,650 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. OLD PORTER ROAD is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for OLD PORTER ROAD?
OLD PORTER ROAD has an NBI inventory load rating of 35.3 metric tons.
Who is responsible for maintaining OLD PORTER ROAD?
OLD PORTER ROAD is owned and maintained by County Highway Agency.
How old is OLD PORTER ROAD and does age affect safety?
OLD PORTER ROAD was built in 1970, making it 56 years old and last reconstructed in 2019.
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.