US 12 EB
Carrying US 12 EB over BURNS DITCH (DEEP RIVER)
00.94 W SR 249, Porter, Indiana
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: US 12 EB
The US 12 EB bridge in Porter, Indiana carries US 12 EB over BURNS DITCH (DEEP RIVER). It was built in 1970, making it 56 years old today. It was last reconstructed in 2021, extending its service life. The structure is built primarily of prestressed concrete continuous and spans 6 sections, stretching 87.2 meters (286 feet) end to end. Daily traffic averages 4,635 vehicles, placing it in the moderately-trafficked tier of Indiana bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 6/9, substructure at 2/9. The weakest component sits in critical 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 42.4 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How US 12 EB 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 How the historical reference is calculated.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
- 1970
- Last Reconstructed
- 2021
- Material
- Prestressed Concrete Continuous
- Number of Spans
- 6
- Structure Length
- 87.2 m (286 ft)
- Deck Width
- 13.0 m (43 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 4,635 vehicles/day
- Structure Number
- 003230
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
- • 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 critical at 2/9, severe deterioration that needs urgent attention.
How to read this record
US 12 EB 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 US 12 EB 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 US 12 EB?
US 12 EB in Porter, Indiana has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 2/9 on the FHWA's 0–9 scale.
How often is US 12 EB inspected?
US 12 EB'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 4,635 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. US 12 EB 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 US 12 EB?
US 12 EB has an NBI inventory load rating of 42.4 metric tons.
Who is responsible for maintaining US 12 EB?
US 12 EB is owned and maintained by State Highway Agency.
How old is US 12 EB and does age affect safety?
US 12 EB was built in 1970, making it 56 years old and last reconstructed in 2021.
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.