US Bridges

I 59/20 South over 3 RD Ave N

Fair

Jefferson County, Alabama · I 59 * 3 RD Ave N · Structure no. 011087

Built
1974
51 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
229 ft
3 main spans
Daily traffic
67,050
2022 count
Owner
State
State Highway Agency

About this bridge

I 59/20 South over 3 RD Ave N is a steel stringer/multi-beam or girder carrying I 59/20 South over 3 RD Ave N in Jefferson County, Alabama. It was built in 1974, so it is 51 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 67,050 vehicles a day, roughly 11% of them trucks, projected to reach 133,415 by 2044. The structure is 229 ft (69.8 m) long and 83 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 59/20 South
Crosses3 RD Ave N
LocationI 59 * 3 RD Ave N
RouteInterstate 20
CountyJefferson County
StateAlabama
Coordinates33.5443, -86.7542
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length229 ft (69.8 m)
Longest span100 ft (30.5 m)
Deck width83 ft (25.3 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic67,050 (2022)
Projected traffic133,415 by 2044
Trucks11%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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$5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 59/20 South over 3 RD Ave N built?

It was built in 1974, making it 51 years old in 2025.

What condition is I 59/20 South over 3 RD Ave N 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 March 2024.

How much traffic does I 59/20 South over 3 RD Ave N carry?

About 67,050 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is I 59/20 South over 3 RD Ave N?

The structure is 229 ft (69.8 m) long with a longest span of 100 ft (30.5 m) and a deck 83 ft wide.

Who owns I 59/20 South over 3 RD Ave N?

It is owned by the State Highway Agency.