US Bridges

I - 65 over Al - 3 (us 31)

Fair

Blount County, Alabama · I-65 over US 31 · Structure no. 017042

Built
1998
27 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
217 ft
3 main spans
Daily traffic
42,750
2024 count
Owner
State
State Highway Agency

About this bridge

I - 65 over Al - 3 (us 31) is a prestressed concrete stringer/multi-beam or girder carrying I - 65 over Al - 3 (us 31) in Blount County, Alabama. It was built in 1998, so it is 27 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 42,750 vehicles a day, roughly 23% of them trucks, projected to reach 54,161 by 2044. The structure is 217 ft (66 m) long and 107 ft wide.

CarriesI - 65
CrossesAl - 3 (us 31)
LocationI-65 over US 31
RouteInterstate 65
StateAlabama
Coordinates33.88722, -86.84833
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.1 US tons
Inventory rating46.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length217 ft (66 m)
Longest span100 ft (30.5 m)
Deck width107 ft (32.6 m)
Roadway width96 ft (29.3 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic42,750 (2024)
Projected traffic54,161 by 2044
Trucks23%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$6.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1998, making it 27 years old in 2025.

What condition is I - 65 over Al - 3 (us 31) in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

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

About 42,750 vehicles per day (2024 count), of which roughly 23% are trucks.

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

The structure is 217 ft (66 m) long with a longest span of 100 ft (30.5 m) and a deck 107 ft wide.

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

It is owned by the State Highway Agency.