FHWA NBI 2024 Inspection record Public-domain dataset

SIENNA PKWY NB

Carrying SIENNA PKWY NB over OYSTER CREEK

0.25 MI S OF SH 6, Fort Bend, Texas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
25 t Inventory load rating

Bridge Snapshot: SIENNA PKWY NB

The SIENNA PKWY NB bridge in Fort Bend, Texas carries SIENNA PKWY NB over OYSTER CREEK. It was built in 1988, making it 38 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 18.3 meters (60 feet) end to end. Daily traffic averages 1,500 vehicles, placing it in the moderately-trafficked tier of Texas bridges. It is owned and maintained by Town/Township Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good 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 SIENNA PKWY NB compares

▼ 3.8
Load rating vs Texas average (28.3 t)
Bottom 29%
Lower load rating than 71% of Texas bridges
796
Bridges in Fort Bend · 21 in Poor condition
SIENNA PKWY NB 24.5 t
Texas average 28.3 t

Live comparison across Texas.

Historical Sufficiency Rating

PlainBridge-computed
70.6 / 100 - historical 50–79.9 band
Structural adequacy /55
47.8
Serviceability /30
11.0
Essentiality /15
14.8
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
24.5 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1988
Material
Prestressed Concrete
Number of Spans
1
Structure Length
18.3 m (60 ft)
Deck Width
10.4 m (34 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
1,500 vehicles/day
Structure Number
120800R01107005

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether SIENNA PKWY NB 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 SIENNA PKWY NB against other structures in Fort Bend 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 SIENNA PKWY NB?

SIENNA PKWY NB in Fort Bend, Texas has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is SIENNA PKWY NB inspected?

SIENNA PKWY NB'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 1,500 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SIENNA PKWY NB is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for SIENNA PKWY NB?

SIENNA PKWY NB has an NBI inventory load rating of 24.5 metric tons.

Who is responsible for maintaining SIENNA PKWY NB?

SIENNA PKWY NB is owned and maintained by Town/Township Highway Agency.

How old is SIENNA PKWY NB and does age affect safety?

SIENNA PKWY NB was built in 1988, making it 38 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.