US Bridges

CO79/DRY Valley RD over I-20

Fair

Talladega County, Alabama · 1.8 MI E JCT SR 77 · Structure no. 008145

Built
1964
61 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete Continuous
Length
247 ft
4 main spans
Daily traffic
974
2021 count
Owner
State
State Highway Agency

About this bridge

CO79/DRY Valley RD over I-20 is a concrete continuous tee beam carrying CO79/DRY Valley RD over I-20 in Talladega County, Alabama. It was built in 1964, so it is 61 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 974 vehicles a day, roughly 2% of them trucks, projected to reach 1,363 by 2041. The structure is 247 ft (75.3 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCO79/DRY Valley RD
CrossesI-20
Location1.8 MI E JCT SR 77
RouteCounty Highway 79
StateAlabama
Coordinates33.58774, -86.09193
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating43.5 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length247 ft (75.3 m)
Longest span68 ft (20.7 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic974 (2021)
Projected traffic1,363 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was CO79/DRY Valley RD over I-20 built?

It was built in 1964, making it 61 years old in 2025.

What condition is CO79/DRY Valley RD 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 May 2023.

How much traffic does CO79/DRY Valley RD over I-20 carry?

About 974 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is CO79/DRY Valley RD over I-20?

The structure is 247 ft (75.3 m) long with a longest span of 68 ft (20.7 m) and a deck 27 ft wide.

Who owns CO79/DRY Valley RD over I-20?

It is owned by the State Highway Agency.