ROUTE 103
Carrying ROUTE 103 over SPRING BRANCH
ADJACENT TO BIG SPRING PA, Carter, Missouri
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: ROUTE 103
The ROUTE 103 bridge in Carter, Missouri carries ROUTE 103 over SPRING BRANCH. It was built in 2019, making it 7 years old today. The structure is built primarily of prestressed concrete and spans 2 sections, stretching 42.7 meters (140 feet) end to end. Daily traffic averages 250 vehicles, placing it in the lower-traffic tier of Missouri bridges. It is owned and maintained by National Park Service.
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. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 29.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How ROUTE 103 compares
Live comparison across Missouri.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 2019
- Material
- Prestressed Concrete
- Number of Spans
- 2
- Structure Length
- 42.7 m (140 ft)
- Deck Width
- 11.1 m (36 ft)
- Owner
- National Park Service
- Avg Daily Traffic
- 250 vehicles/day
- Structure Number
- 6640001P0000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
- • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
- • The substructure (piers and abutments) rates good at 8/9, with no significant deterioration on file.
How to read this record
This page shows what the last federal inspection recorded, not whether ROUTE 103 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 ROUTE 103 against other structures in Carter and across Missouri. Missouri 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 ROUTE 103?
ROUTE 103 in Carter, Missouri 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 ROUTE 103 inspected?
ROUTE 103'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 250 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. ROUTE 103 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 ROUTE 103?
ROUTE 103 has an NBI inventory load rating of 29.9 metric tons.
Who is responsible for maintaining ROUTE 103?
ROUTE 103 is owned and maintained by National Park Service.
How old is ROUTE 103 and does age affect safety?
ROUTE 103 was built in 2019, making it 7 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.
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.