FHWA NBI 2024 Inspection record Public-domain dataset

SHILOH STREET

Carrying SHILOH STREET over SPRINGFIELD CREEK

LINDEN, Marengo, Alabama

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
2 t Inventory load rating

Bridge Snapshot: SHILOH STREET

The SHILOH STREET bridge in Marengo, Alabama carries SHILOH STREET over SPRINGFIELD CREEK. It was built in 1978, making it 48 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 14.6 meters (48 feet) end to end. Daily traffic averages 400 vehicles, placing it in the lower-traffic tier of Alabama bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 5/9, substructure at 3/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 1.8 metric tons.

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

How SHILOH STREET compares

▼ 36.5
Load rating vs Alabama average (38.3 t)
Bottom 1%
Lower load rating than 99% of Alabama bridges
171
Bridges in Marengo · 11 in Poor condition
SHILOH STREET 1.8 t
Alabama average 38.3 t

Live comparison across Alabama.

Historical Sufficiency Rating

PlainBridge-computed
28.9 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
14.2
Essentiality /15
14.8
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Substructure
3/9
Poor (1–4)
Inventory Load Rating
1.8 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1978
Material
Concrete
Number of Spans
2
Structure Length
14.6 m (48 ft)
Deck Width
7.7 m (25 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
400 vehicles/day
Structure Number
011958

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) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) is in poor condition (3/9), showing advanced deterioration that may require priority repair.

How to read this record

SHILOH STREET 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 SHILOH STREET against other structures in Marengo 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 SHILOH STREET?

SHILOH STREET in Marengo, Alabama has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 3/9 on the FHWA's 0–9 scale.

How often is SHILOH STREET inspected?

SHILOH STREET'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 400 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SHILOH STREET 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 SHILOH STREET?

SHILOH STREET has an NBI inventory load rating of 1.8 metric tons.

Who is responsible for maintaining SHILOH STREET?

SHILOH STREET is owned and maintained by City/Municipal Highway Agency.

How old is SHILOH STREET and does age affect safety?

SHILOH STREET was built in 1978, making it 48 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.