FHWA NBI 2024 Inspection record Public-domain dataset

OLD BIG HILL RD

Carrying OLD BIG HILL RD over MAYHAW BAYOU

0.80 MI E OF CR 257, Jefferson, Texas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
13 t Inventory load rating

Bridge Snapshot: OLD BIG HILL RD

The OLD BIG HILL RD bridge in Jefferson, Texas carries OLD BIG HILL RD over MAYHAW BAYOU. It was built in 1979, making it 47 years old today. The structure is built primarily of steel continuous and spans 6 sections, stretching 45.7 meters (150 feet) end to end. Daily traffic averages 100 vehicles, placing it in the lower-traffic tier of Texas bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 12.7 metric tons.

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

How OLD BIG HILL RD compares

▼ 15.6
Load rating vs Texas average (28.3 t)
Bottom 1%
Lower load rating than 99% of Texas bridges
457
Bridges in Jefferson · 6 in Poor condition
OLD BIG HILL RD 12.7 t
Texas average 28.3 t

Live comparison across Texas.

Historical Sufficiency Rating

PlainBridge-computed
65.5 / 100 - historical 50–79.9 band
Structural adequacy /55
26.5
Serviceability /30
27.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
12.7 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
Steel Continuous
Number of Spans
6
Structure Length
45.7 m (150 ft)
Deck Width
8.7 m (29 ft)
Owner
County Highway Agency
Avg Daily Traffic
100 vehicles/day
Structure Number
201240AA0268001

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 (6/9), with minor deterioration that may require routine maintenance.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether OLD BIG HILL 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 OLD BIG HILL RD against other structures in Jefferson and across Texas. Texas 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 OLD BIG HILL RD?

OLD BIG HILL RD in Jefferson, Texas has a deck rating of 5/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is OLD BIG HILL RD inspected?

OLD BIG HILL 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 100 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. OLD BIG HILL 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 OLD BIG HILL RD?

OLD BIG HILL RD has an NBI inventory load rating of 12.7 metric tons.

Who is responsible for maintaining OLD BIG HILL RD?

OLD BIG HILL RD is owned and maintained by County Highway Agency.

How old is OLD BIG HILL RD and does age affect safety?

OLD BIG HILL RD 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.