US Bridges

Al - 53 (us 231) over I-20

Good

St. Clair County, Alabama · 231 over I-20 · Structure no. 019743

Built
2008
17 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
280 ft
2 main spans
Daily traffic
13,520
2023 count
Owner
State
State Highway Agency

About this bridge

Al - 53 (us 231) over I-20 is a prestressed concrete stringer/multi-beam or girder carrying Al - 53 (us 231) over I-20 in St. Clair County, Alabama. It was built in 2008, so it is 17 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 13,520 vehicles a day, roughly 7% of them trucks, projected to reach 17,574 by 2043. The structure is 280 ft (85.3 m) long and 97 ft wide.

Location

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CarriesAl - 53 (us 231)
CrossesI-20
Location231 over I-20
RouteU.S. Route 231
CountySt. Clair County
StateAlabama
Coordinates33.93972, -86.28222
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating98 US tons
Inventory rating45.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length280 ft (85.3 m)
Longest span145 ft (44.2 m)
Deck width97 ft (29.5 m)
Roadway width94 ft (28.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,520 (2023)
Projected traffic17,574 by 2043
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$6.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Al - 53 (us 231) over I-20 built?

It was built in 2008, making it 17 years old in 2025.

What condition is Al - 53 (us 231) over I-20 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 April 2023.

How much traffic does Al - 53 (us 231) over I-20 carry?

About 13,520 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Al - 53 (us 231) over I-20?

The structure is 280 ft (85.3 m) long with a longest span of 145 ft (44.2 m) and a deck 97 ft wide.

Who owns Al - 53 (us 231) over I-20?

It is owned by the State Highway Agency.