US Bridges

Blackridge Dr. over CSX Railroad

Good

Shelby County, Alabama · Elvira Road over CSX · Structure no. 021640

Built
2021
4 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
160 ft
1 main span
Daily traffic
500
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Blackridge Dr. over CSX Railroad is a concrete stringer/multi-beam or girder carrying Blackridge Dr. over CSX Railroad in Shelby County, Alabama. It was built in 2021, so it is 4 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 500 vehicles a day, roughly 1% of them trucks, projected to reach 700 by 2043. The structure is 160 ft (48.9 m) long and 39 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesBlackridge Dr.
CrossesCSX Railroad
LocationElvira Road over CSX
RouteCity Street 0
CountyShelby County
StateAlabama
Coordinates33.30619, -86.87969
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98 US tons
Inventory rating25.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length160 ft (48.9 m)
Longest span160 ft (48.9 m)
Deck width39 ft (11.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2023)
Projected traffic700 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Blackridge Dr. over CSX Railroad built?

It was built in 2021, making it 4 years old in 2025.

What condition is Blackridge Dr. over CSX Railroad in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Blackridge Dr. over CSX Railroad carry?

About 500 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Blackridge Dr. over CSX Railroad?

The structure is 160 ft (48.9 m) long with a longest span of 160 ft (48.9 m) and a deck 39 ft wide.

Who owns Blackridge Dr. over CSX Railroad?

It is owned by the City or Municipal Highway Agency.