FHWA NBI 2024 Inspection record Public-domain dataset

UNDERWOOD MTN RD

Carrying UNDERWOOD MTN RD over LITTLE BEAR CREEK

UNDERWOOD MTN BEAR CREEK, Colbert, Alabama

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
44 t Inventory load rating

Bridge Snapshot: UNDERWOOD MTN RD

The UNDERWOOD MTN RD bridge in Colbert, Alabama carries UNDERWOOD MTN RD over LITTLE BEAR CREEK. It was built in 1986, making it 40 years old today. The structure is built primarily of concrete and spans 6 sections, stretching 62.2 meters (204 feet) end to end. Daily traffic averages 823 vehicles, placing it in the lower-traffic tier of Alabama 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 43.8 metric tons.

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

How UNDERWOOD MTN RD compares

▲ 5.5
Load rating vs Alabama average (38.3 t)
Top 29%
Higher load rating than 71% of Alabama bridges
146
Bridges in Colbert · 2 in Poor condition
UNDERWOOD MTN RD 43.8 t
Alabama average 38.3 t

Live comparison across Alabama.

Historical Sufficiency Rating

PlainBridge-computed
92.2 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
22.8
Essentiality /15
14.5
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
43.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1986
Material
Concrete
Number of Spans
6
Structure Length
62.2 m (204 ft)
Deck Width
9.5 m (31 ft)
Owner
County Highway Agency
Avg Daily Traffic
823 vehicles/day
Structure Number
013958

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) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether UNDERWOOD MTN 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 UNDERWOOD MTN RD against other structures in Colbert and across Alabama. Alabama 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 UNDERWOOD MTN RD?

UNDERWOOD MTN RD in Colbert, Alabama 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 UNDERWOOD MTN RD inspected?

UNDERWOOD MTN 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 823 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. UNDERWOOD MTN 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 UNDERWOOD MTN RD?

UNDERWOOD MTN RD has an NBI inventory load rating of 43.8 metric tons.

Who is responsible for maintaining UNDERWOOD MTN RD?

UNDERWOOD MTN RD is owned and maintained by County Highway Agency.

How old is UNDERWOOD MTN RD and does age affect safety?

UNDERWOOD MTN RD was built in 1986, making it 40 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.