FHWA NBI 2024 Inspection record Public-domain dataset

Jamerson Cr. Rd

Carrying Jamerson Cr. Rd over JAMIESON CREEK

0.8 M W OF HIGHWAY 430, Washington, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
9 t Inventory load rating

Bridge Snapshot: Jamerson Cr. Rd

The Jamerson Cr. Rd bridge in Washington, Louisiana carries Jamerson Cr. Rd over JAMIESON CREEK. It was built in 1990, making it 36 years old today. The structure is built primarily of wood or timber and spans 2 sections, stretching 10.7 meters (35 feet) end to end. Daily traffic averages 183 vehicles, placing it in the lower-traffic tier of Louisiana bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 9.1 metric tons.

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

How Jamerson Cr. Rd compares

▼ 23.2
Load rating vs Louisiana average (32.3 t)
Bottom 1%
Lower load rating than 99% of Louisiana bridges
285
Bridges in Washington · 33 in Poor condition
Jamerson Cr. Rd 9.1 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
3.0 / 100 - historical under-20 band
Structural adequacy /55
0.0
Serviceability /30
3.0
Essentiality /15
0.0
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
9.1 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1990
Material
Wood or Timber
Number of Spans
2
Structure Length
10.7 m (35 ft)
Deck Width
6.1 m (20 ft)
Owner
County Highway Agency
Avg Daily Traffic
183 vehicles/day
Structure Number
625930547900771

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

Jamerson Cr. Rd 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 Jamerson Cr. Rd against other structures in Washington and across Louisiana. Louisiana 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 Jamerson Cr. Rd?

Jamerson Cr. Rd in Washington, Louisiana has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is Jamerson Cr. Rd inspected?

Jamerson Cr. 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 183 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Jamerson Cr. Rd 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 Jamerson Cr. Rd?

Jamerson Cr. Rd has an NBI inventory load rating of 9.1 metric tons.

Who is responsible for maintaining Jamerson Cr. Rd?

Jamerson Cr. Rd is owned and maintained by County Highway Agency.

How old is Jamerson Cr. Rd and does age affect safety?

Jamerson Cr. Rd was built in 1990, making it 36 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.