FHWA NBI 2024 Inspection record Public-domain dataset

S.H. 47

Carrying S.H. 47 over DEER CREEK

5.5 MI E JCT U.S. 183, Custer, Oklahoma

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
48 t Inventory load rating

Bridge Snapshot: S.H. 47

The S.H. 47 bridge in Custer, Oklahoma carries S.H. 47 over DEER CREEK. It was built in 1957, making it 69 years old today. It was last reconstructed in 2014, extending its service life. The structure is built primarily of steel and spans 3 sections, stretching 43.0 meters (141 feet) end to end. Daily traffic averages 600 vehicles, placing it in the lower-traffic tier of Oklahoma bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 48.1 metric tons.

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

How S.H. 47 compares

▲ 15.7
Load rating vs Oklahoma average (32.4 t)
Top 10%
Higher load rating than 90% of Oklahoma bridges
382
Bridges in Custer · 5 in Poor condition
S.H. 47 48.1 t
Oklahoma average 32.4 t

Live comparison across Oklahoma.

Historical Sufficiency Rating

PlainBridge-computed
99.1 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.1
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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
48.1 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1957
Last Reconstructed
2014
Material
Steel
Number of Spans
3
Structure Length
43.0 m (141 ft)
Deck Width
9.8 m (32 ft)
Owner
State Highway Agency
Avg Daily Traffic
600 vehicles/day
Structure Number
138320000000000

Condition Analysis

  • The deck (driving surface) rates good at 8/9, with no significant deterioration on file.
  • At 8/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in good condition (8/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether S.H. 47 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 S.H. 47 against other structures in Custer and across Oklahoma. Oklahoma 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 S.H. 47?

S.H. 47 in Custer, Oklahoma has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is S.H. 47 inspected?

S.H. 47'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 600 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. S.H. 47 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 S.H. 47?

S.H. 47 has an NBI inventory load rating of 48.1 metric tons.

Who is responsible for maintaining S.H. 47?

S.H. 47 is owned and maintained by State Highway Agency.

How old is S.H. 47 and does age affect safety?

S.H. 47 was built in 1957, making it 69 years old and last reconstructed in 2014.

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.