US Bridges

Al - 3 (us 31) over I - 65

Good

Shelby County, Alabama · Al - 3 / I - 65 Calera · Structure no. 021082

Built
2020
5 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
280 ft
2 main spans
Daily traffic
20,566
2024 count
Owner
State
State Highway Agency

About this bridge

Al - 3 (us 31) over I - 65 is a prestressed concrete stringer/multi-beam or girder carrying Al - 3 (us 31) over I - 65 in Shelby County, Alabama. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20,566 vehicles a day, roughly 26% of them trucks, projected to reach 33,699 by 2044. The structure is 280 ft (85.3 m) long and 110 ft wide.

CarriesAl - 3 (us 31)
CrossesI - 65
LocationAl - 3 / I - 65 Calera
RouteU.S. Route 31
StateAlabama
Coordinates33.14193, -86.7498
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating42.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length280 ft (85.3 m)
Longest span140 ft (42.7 m)
Deck width110 ft (33.5 m)
Roadway width100 ft (30.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,566 (2024)
Projected traffic33,699 by 2044
Trucks26%
Lanes on structure4
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 proposedNone recorded
Estimated improvement cost$7.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Al - 3 (us 31) over I - 65 built?

It was built in 2020, making it 5 years old in 2025.

What condition is Al - 3 (us 31) over I - 65 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 July 2024.

How much traffic does Al - 3 (us 31) over I - 65 carry?

About 20,566 vehicles per day (2024 count), of which roughly 26% are trucks.

How long is Al - 3 (us 31) over I - 65?

The structure is 280 ft (85.3 m) long with a longest span of 140 ft (42.7 m) and a deck 110 ft wide.

Who owns Al - 3 (us 31) over I - 65?

It is owned by the State Highway Agency.