FHWA NBI 2024 Inspection record Public-domain dataset

CITY ST.-COLUMBIA

Carrying CITY ST.-COLUMBIA over CORNET CREEK

200 FT E of N COMET ST, San Miguel, Colorado

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
36 t Inventory load rating

Bridge Snapshot: CITY ST.-COLUMBIA

The CITY ST.-COLUMBIA bridge in San Miguel, Colorado carries CITY ST.-COLUMBIA over CORNET CREEK. It was built in 1988, making it 38 years old today. The structure is built primarily of concrete and spans 1 section, stretching 8.2 meters (27 feet) end to end. Daily traffic averages 596 vehicles, placing it in the lower-traffic tier of Colorado bridges. It is owned and maintained by Town/Township Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 36.1 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How CITY ST.-COLUMBIA compares

▼ 1.0
Load rating vs Colorado average (37.1 t)
Top 36%
Higher load rating than 64% of Colorado bridges
59
Bridges in San Miguel · 2 in Poor condition
CITY ST.-COLUMBIA 36.1 t
Colorado average 37.1 t

Live comparison across Colorado.

Historical Sufficiency Rating

PlainBridge-computed
96.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.9
Special reductions
−3.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
36.1 t
NBI inventory level (metric tons)
Overall Condition
Good

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1988
Material
Concrete
Number of Spans
1
Structure Length
8.2 m (27 ft)
Deck Width
11.4 m (37 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
596 vehicles/day
Structure Number
TELLRD-COLUMB-A

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether CITY ST.-COLUMBIA 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 CITY ST.-COLUMBIA against other structures in San Miguel and across Colorado. Colorado 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 CITY ST.-COLUMBIA?

CITY ST.-COLUMBIA in San Miguel, Colorado has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is CITY ST.-COLUMBIA inspected?

CITY ST.-COLUMBIA'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 596 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. CITY ST.-COLUMBIA 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 CITY ST.-COLUMBIA?

CITY ST.-COLUMBIA has an NBI inventory load rating of 36.1 metric tons.

Who is responsible for maintaining CITY ST.-COLUMBIA?

CITY ST.-COLUMBIA is owned and maintained by Town/Township Highway Agency.

How old is CITY ST.-COLUMBIA and does age affect safety?

CITY ST.-COLUMBIA was built in 1988, making it 38 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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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.