Cities With Aging Bridge Infrastructure Create Are More Prone to Fatal Car Crashes

When you come across news covering a fatal car accident St. Louis today, there's a reasonable chance the location involves a bridge or an underpass. In such accident cases, the bridge itself rarely makes the headline, but the infrastructure surrounding it gets the spotlight. News reports discuss the approach, geometry, surface conditions, lighting failures, and related issues.

The bridge issue is leading to unexpected crashes

America built the majority of its urban bridge network between the 1930s and 1960s. These bridges were designed with the traffic volumes, vehicle weights, and driving speeds of that era in mind. They also met the then-standard safety standards. Things have changed, and civic infrastructure needs have increased.

St. Louis is a city with such old bridges. The Mississippi River crossings alone represent a range of old-age bridges. While they are not in poor health, the design characteristics make driving on or near them significantly more dangerous. 
 

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How and when does bridge infrastructure create crash risk?

The danger isn't usually on the bridge deck itself. The transition points, like the approaches, the exits, and the surface conditions, worsened by delayed maintenance, cause the hassles. There is a certain way aging concrete and steel behave under heavy traffic loads
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Older bridges were often made with approach lanes narrower than current highway standards. A driver moving from a multi-lane road onto a 1950s-era bridge approach may cope with a sudden reduction in lane width and a tighter curve radius. Not all car drivers can always handle such issues well.

These bridge lanes and their approaches are subject to stress from temperature changes. There can be height differences, joint gaps, and changes in surface texture. In wet weather, these joints collect water and freeze before the surrounding road surface. So, a driver hitting a bridge joint at highway speed may face skidding. 

Urban bridge lighting infrastructure sometimes copes with older-era lighting. Fixtures set up on such bridge structures are harder to maintain and replace. Drivers often cope with poorly lit surfaces when crossing bridges.
 

Why are aging bridge infrastructure crashes not reported often?

When a crash occurs on a bridge approach, investigating officers focus on the immediate causes. They usually mention things like sudden lane change, failure to control speed, following too closely, etc. The infrastructure condition that contributed to the situation is rarely mentioned in the crash report. In most cases, individual crashes appear to be the result of individual driver errors.
 

The delayed maintenance issue

Cities with constrained infrastructure budgets often tend to prioritize structural repairs. The focus on bridge surface and approach repairs is less. So, a minor surface crack that's been there for 5 years widens, leading to a joint that catches the vehicle's tires. Inexperienced drivers often struggle with such issues. 
 

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Conclusion

To stay safe, drivers must slow down when approaching a bridge in such cities. The distance from the car ahead must be maintained, especially at night. Keep yourself updated on what is happening in the city and which areas are blocked due to an accident or other mishap, by browsing localaccidentreports.com . You will find real-time news and information from verified sources in this site.

Advocate Chikirsha Mohanty

Greater Kailash - 1, Delhi
5 years

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