T 184 INDIGO RD
Carrying T 184 INDIGO RD over INDIGO HUFF RUN
500 FT S OF BRASS RD, Carroll, Ohio
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: T 184 INDIGO RD
The T 184 INDIGO RD bridge in Carroll, Ohio carries T 184 INDIGO RD over INDIGO HUFF RUN. It was built in 1964, making it 62 years old today. It was last reconstructed in 1991, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 8.8 meters (29 feet) end to end. Daily traffic averages 209 vehicles, placing it in the lower-traffic tier of Ohio bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 34.7 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How T 184 INDIGO RD compares
Live comparison across Ohio.
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 How the historical reference is calculated.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
- 1964
- Last Reconstructed
- 1991
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 8.8 m (29 ft)
- Deck Width
- 5.5 m (18 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 209 vehicles/day
- Structure Number
- 1031910
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.
- • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
- • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
How to read this record
This page shows what the last federal inspection recorded, not whether T 184 INDIGO RD 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 T 184 INDIGO RD against other structures in Carroll and across Ohio. Ohio 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 T 184 INDIGO RD?
T 184 INDIGO RD in Carroll, Ohio has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is T 184 INDIGO RD inspected?
T 184 INDIGO RD'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 209 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. T 184 INDIGO RD is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for T 184 INDIGO RD?
T 184 INDIGO RD has an NBI inventory load rating of 34.7 metric tons.
Who is responsible for maintaining T 184 INDIGO RD?
T 184 INDIGO RD is owned and maintained by County Highway Agency.
How old is T 184 INDIGO RD and does age affect safety?
T 184 INDIGO RD was built in 1964, making it 62 years old and last reconstructed in 1991.
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.