OR-6137 (PUB PRK R
Carrying OR-6137 (PUB PRK R over MOUNTAIN BRANCH
STEPHEN FORBES ST PK, Marion, Illinois
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
OR-6137 (PUB PRK R in Marion, Illinois sits above 14% of rated Illinois bridges on inventory load rating (26 t), while its 1965 build year is earlier than 72% of Marion's recorded-year cohort (296 bridges).
OR-6137 (PUB PRK R in Marion, Illinois is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1965, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 3. 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 IL:061992000000000
INTERSTATE-ERA · STEEL · MULTI-SPAN · SUB-LED · TRACE-ADT · STANDARD-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- MULTI-SPAN 2 spans
- SUB-LED Substructure-led
- TRACE-ADT Trace ADT
- STANDARD-LOAD Standard 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: OR-6137 (PUB PRK R
The OR-6137 (PUB PRK R bridge in Marion, Illinois carries OR-6137 (PUB PRK R over MOUNTAIN BRANCH. It was built in 1965, making it 61 years old today. The structure is built primarily of steel and spans 2 sections, stretching 35.5 meters (116 feet) end to end. Daily traffic averages 25 vehicles, placing it in the lower-traffic tier of Illinois bridges. It is owned and maintained by State Park/Forest/Reservation.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 6/9, substructure at 3/9. 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.
How OR-6137 (PUB PRK R compares
Age against the county: built in 1965, earlier than 214 of Marion's 296 bridges with a recorded construction year (72%), against a county median build year of 1980. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Illinois bridges with a recorded inventory load rating (26,904 of 26,928 rated).
OR-6137 (PUB PRK R vs every rated Illinois bridge
Inventory load rating (metric tons), FHWA NBI, this state
26 Top 86% higher than 14% of 26,904 bridges
rated Illinois 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.
Marion inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 296 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
- 1965
- Material
- Steel
- Number of Spans
- 2
- Structure Length
- 35.5 m (116 ft)
- Deck Width
- 6.7 m (22 ft)
- Owner
- State Park/Forest/Reservation
- Avg Daily Traffic
- 25 vehicles/day
- Structure Number
- 061992000000000
Condition Analysis
- • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
- • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
- • The substructure (piers and abutments) is in poor condition (3/9), 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
OR-6137 (PUB PRK R 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 OR-6137 (PUB PRK R against other structures in Marion and across Illinois. Illinois 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 OR-6137 (PUB PRK R?
OR-6137 (PUB PRK R in Marion, Illinois has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 3/9 on the FHWA's 0–9 scale.
How often is OR-6137 (PUB PRK R inspected?
OR-6137 (PUB PRK R'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 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. OR-6137 (PUB PRK R 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 OR-6137 (PUB PRK R?
OR-6137 (PUB PRK R has an NBI inventory load rating of 25.9 metric tons.
Who is responsible for maintaining OR-6137 (PUB PRK R?
OR-6137 (PUB PRK R is owned and maintained by State Park/Forest/Reservation.
How old is OR-6137 (PUB PRK R and does age affect safety?
OR-6137 (PUB PRK R was built in 1965, making it 61 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.