US Bridges

CO 84 over I-20

Fair

Cleburne County, Alabama · 2.4 MI E JCT SR 9 · Structure no. 010175

Built
1970
55 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete Continuous
Length
283 ft
4 main spans
Daily traffic
280
2022 count
Owner
State
State Highway Agency

About this bridge

CO 84 over I-20 is a concrete continuous tee beam carrying CO 84 over I-20 in Cleburne County, Alabama. It was built in 1970, so it is 55 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 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 280 vehicles a day, roughly 2% of them trucks, projected to reach 392 by 2042. The structure is 283 ft (86.3 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCO 84
CrossesI-20
Location2.4 MI E JCT SR 9
RouteCounty Highway 84
CountyCleburne County
StateAlabama
Coordinates33.62857, -85.55595
Functional classRural Minor Collector

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.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.9 US tons
Inventory rating38.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length283 ft (86.3 m)
Longest span86 ft (26.2 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2022)
Projected traffic392 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was CO 84 over I-20 built?

It was built in 1970, making it 55 years old in 2025.

What condition is CO 84 over I-20 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 October 2023.

How much traffic does CO 84 over I-20 carry?

About 280 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is CO 84 over I-20?

The structure is 283 ft (86.3 m) long with a longest span of 86 ft (26.2 m) and a deck 30 ft wide.

Who owns CO 84 over I-20?

It is owned by the State Highway Agency.