US Bridges

I-20 over CO RD49 (abernathy Exit)

Fair

Cleburne County, Alabama · 5.3 MI E JCT Al 46 · Structure no. 010859

Built
1973
52 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
263 ft
3 main spans
Daily traffic
39,077
2022 count
Owner
State
State Highway Agency

About this bridge

I-20 over CO RD49 (abernathy Exit) is a steel continuous stringer/multi-beam or girder carrying I-20 over CO RD49 (abernathy Exit) in Cleburne County, Alabama. It was built in 1973, so it is 52 years old, older 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 5 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 39,077 vehicles a day, roughly 44% of them trucks, projected to reach 54,707 by 2042. The structure is 263 ft (80.2 m) long and 41 ft wide.

CarriesI-20
CrossesCO RD49 (abernathy Exit)
Location5.3 MI E JCT Al 46
RouteInterstate 20
StateAlabama
Coordinates33.65337, -85.41406
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.5 US tons
Inventory rating47.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length263 ft (80.2 m)
Longest span100 ft (30.5 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,077 (2022)
Projected traffic54,707 by 2042
Trucks44%
Lanes on structure3
Traffic directionOne-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$2.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-20 over CO RD49 (abernathy Exit) built?

It was built in 1973, making it 52 years old in 2025.

What condition is I-20 over CO RD49 (abernathy Exit) 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 December 2023.

How much traffic does I-20 over CO RD49 (abernathy Exit) carry?

About 39,077 vehicles per day (2022 count), of which roughly 44% are trucks.

How long is I-20 over CO RD49 (abernathy Exit)?

The structure is 263 ft (80.2 m) long with a longest span of 100 ft (30.5 m) and a deck 41 ft wide.

Who owns I-20 over CO RD49 (abernathy Exit)?

It is owned by the State Highway Agency.