SBI 13 (UNMARKED)
Carrying SBI 13 (UNMARKED) over CYPRESS DITCH
0.1 MI N OF JUNCTION, Gallatin, Illinois
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: SBI 13 (UNMARKED)
The SBI 13 (UNMARKED) bridge in Gallatin, Illinois carries SBI 13 (UNMARKED) over CYPRESS DITCH. It was built in 1940, making it 86 years old today. It was last reconstructed in 1964, extending its service life. The structure is built primarily of steel continuous and spans 3 sections, stretching 32.5 meters (107 feet) end to end. Daily traffic averages 10 vehicles, placing it in the lower-traffic tier of Illinois bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 3/9, superstructure at 3/9, substructure at 6/9. 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. Its NBI inventory load rating is 25.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How SBI 13 (UNMARKED) compares
Live comparison across Illinois.
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 How the historical reference is calculated.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
- 1940
- Last Reconstructed
- 1964
- Material
- Steel Continuous
- Number of Spans
- 3
- Structure Length
- 32.5 m (107 ft)
- Deck Width
- 9.3 m (31 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 10 vehicles/day
- Structure Number
- 030001400000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 3/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
- • At 3/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
- • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.
How to read this record
SBI 13 (UNMARKED) 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 SBI 13 (UNMARKED) against other structures in Gallatin 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 SBI 13 (UNMARKED)?
SBI 13 (UNMARKED) in Gallatin, Illinois has a deck rating of 3/9, superstructure rating of 3/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is SBI 13 (UNMARKED) inspected?
SBI 13 (UNMARKED)'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 10 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SBI 13 (UNMARKED) 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 SBI 13 (UNMARKED)?
SBI 13 (UNMARKED) has an NBI inventory load rating of 25.9 metric tons.
Who is responsible for maintaining SBI 13 (UNMARKED)?
SBI 13 (UNMARKED) is owned and maintained by State Highway Agency.
How old is SBI 13 (UNMARKED) and does age affect safety?
SBI 13 (UNMARKED) was built in 1940, making it 86 years old and last reconstructed in 1964.
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.