FHWA NBI 2024 Inspection record Public-domain dataset

SH 149 ML

Carrying SH 149 ML over RIO GRANDE

4.1 MI SW OF CREEDE, Mineral, Colorado

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
25 t Inventory load rating

Bridge Snapshot: SH 149 ML

The SH 149 ML bridge in Mineral, Colorado carries SH 149 ML over RIO GRANDE. It was built in 1979, making it 47 years old today. The structure is built primarily of prestressed concrete continuous and spans 3 sections, stretching 77.3 meters (254 feet) end to end. Daily traffic averages 1,000 vehicles, placing it in the lower-traffic tier of Colorado bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 8/9, 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 25.1 metric tons.

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

How SH 149 ML compares

▼ 12.0
Load rating vs Colorado average (37.1 t)
Bottom 20%
Lower load rating than 80% of Colorado bridges
26
Bridges in Mineral
SH 149 ML 25.1 t
Colorado average 37.1 t

Live comparison across Colorado.

Historical Sufficiency Rating

PlainBridge-computed
93.5 / 100 - historical 80–100 band
Structural adequacy /55
48.6
Serviceability /30
30.0
Essentiality /15
14.9
Special reductions
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
8/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
25.1 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1979
Material
Prestressed Concrete Continuous
Number of Spans
3
Structure Length
77.3 m (254 ft)
Deck Width
11.1 m (36 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,000 vehicles/day
Structure Number
M-09-Q

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) rates good at 8/9, with no significant deterioration on file.
  • 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 SH 149 ML 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 SH 149 ML against other structures in Mineral 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 SH 149 ML?

SH 149 ML in Mineral, Colorado has a deck rating of 6/9, superstructure rating of 8/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is SH 149 ML inspected?

SH 149 ML'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 1,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SH 149 ML 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 SH 149 ML?

SH 149 ML has an NBI inventory load rating of 25.1 metric tons.

Who is responsible for maintaining SH 149 ML?

SH 149 ML is owned and maintained by State Highway Agency.

How old is SH 149 ML and does age affect safety?

SH 149 ML was built in 1979, making it 47 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.