US Bridges

Al - 79 South over Five Mile Ck

Fair

Jefferson County, Alabama · Keytonna · Structure no. 005603

Built
1957
68 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
306 ft
9 main spans
Daily traffic
14,045
2024 count
Owner
State
State Highway Agency

About this bridge

Al - 79 South over Five Mile Ck is a concrete tee beam carrying Al - 79 South over Five Mile Ck in Jefferson County, Alabama. It was built in 1957, so it is 68 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 14,045 vehicles a day, roughly 7% of them trucks, projected to reach 17,376 by 2044. The structure is 306 ft (93.3 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesAl - 79 South
CrossesFive Mile Ck
LocationKeytonna
RouteState Highway 79
CountyJefferson County
StateAlabama
Coordinates33.60139, -86.75583
Functional classUrban Other Principal Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.3 US tons
Inventory rating24.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadH 20
Structure length306 ft (93.3 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,045 (2024)
Projected traffic17,376 by 2044
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$2.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Al - 79 South over Five Mile Ck built?

It was built in 1957, making it 68 years old in 2025.

What condition is Al - 79 South over Five Mile Ck 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 April 2023.

How much traffic does Al - 79 South over Five Mile Ck carry?

About 14,045 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Al - 79 South over Five Mile Ck?

The structure is 306 ft (93.3 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns Al - 79 South over Five Mile Ck?

It is owned by the State Highway Agency.