FHWA NBI 2024 Inspection record Public-domain dataset

SOUTH ST LOUIS RD

Carrying SOUTH ST LOUIS RD over NO NAME CREEK

01.00 W OF ROTHROCK MILL, Harrison, Indiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
34 t Inventory load rating

Bridge Snapshot: SOUTH ST LOUIS RD

The SOUTH ST LOUIS RD bridge in Harrison, Indiana carries SOUTH ST LOUIS RD over NO NAME CREEK. It was built in 2000, making it 26 years old today. The structure is built primarily of concrete and spans 1 section, stretching 8.7 meters (29 feet) end to end. Daily traffic averages 360 vehicles, placing it in the lower-traffic tier of Indiana bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, 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 34.4 metric tons.

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

How SOUTH ST LOUIS RD compares

▼ 1.2
Load rating vs Indiana average (35.6 t)
Top 42%
Higher load rating than 58% of Indiana bridges
124
Bridges in Harrison · 3 in Poor condition
SOUTH ST LOUIS RD 34.4 t
Indiana average 35.6 t

Live comparison across Indiana.

Historical Sufficiency Rating

PlainBridge-computed
89.4 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
20.7
Essentiality /15
14.7
Special reductions
−1.0

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 How the historical reference is calculated.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
8/9
Good (7–9)
Inventory Load Rating
34.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2000
Material
Concrete
Number of Spans
1
Structure Length
8.7 m (29 ft)
Deck Width
7.6 m (25 ft)
Owner
County Highway Agency
Avg Daily Traffic
360 vehicles/day
Structure Number
3100055

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) is in good condition (7/9), showing no significant deterioration.
  • 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 SOUTH ST LOUIS 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 SOUTH ST LOUIS RD against other structures in Harrison and across Indiana. Indiana 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 SOUTH ST LOUIS RD?

SOUTH ST LOUIS RD in Harrison, Indiana has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is SOUTH ST LOUIS RD inspected?

SOUTH ST LOUIS 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 360 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SOUTH ST LOUIS RD 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 SOUTH ST LOUIS RD?

SOUTH ST LOUIS RD has an NBI inventory load rating of 34.4 metric tons.

Who is responsible for maintaining SOUTH ST LOUIS RD?

SOUTH ST LOUIS RD is owned and maintained by County Highway Agency.

How old is SOUTH ST LOUIS RD and does age affect safety?

SOUTH ST LOUIS RD was built in 2000, making it 26 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.