FHWA NBI 2024 Inspection record Public-domain dataset

CR 181

Carrying CR 181 over ROBERTSON CRK TRIB

3.40 MI N OF FM 1170, Nolan, Texas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
25 t Inventory load rating

Bridge Snapshot: CR 181

The CR 181 bridge in Nolan, Texas carries CR 181 over ROBERTSON CRK TRIB. It was built in 1965, making it 61 years old today. The structure is built primarily of other and spans 3 sections, stretching 9.1 meters (30 feet) end to end. Daily traffic averages 22 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 culvert 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 24.5 metric tons.

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

How CR 181 compares

▼ 3.8
Load rating vs Texas average (28.3 t)
Bottom 29%
Lower load rating than 71% of Texas bridges
166
Bridges in Nolan · 3 in Poor condition
CR 181 24.5 t
Texas average 28.3 t

Live comparison across Texas.

Historical Sufficiency Rating

PlainBridge-computed
86.8 / 100 - historical 80–100 band
Structural adequacy /55
47.8
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 How the historical reference is calculated.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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
24.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1965
Material
Other
Number of Spans
3
Structure Length
9.1 m (30 ft)
Deck Width
6.1 m (20 ft)
Owner
County Highway Agency
Avg Daily Traffic
22 vehicles/day
Structure Number
081770AA0181002

How to read this record

This page shows what the last federal inspection recorded, not whether CR 181 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 CR 181 against other structures in Nolan 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 CR 181?

CR 181 in Nolan, Texas on the FHWA's 0–9 scale.

How often is CR 181 inspected?

CR 181'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 22 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CR 181 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 CR 181?

CR 181 has an NBI inventory load rating of 24.5 metric tons.

Who is responsible for maintaining CR 181?

CR 181 is owned and maintained by County Highway Agency.

How old is CR 181 and does age affect safety?

CR 181 was built in 1965, making it 61 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.