US Bridges

Al - 79 North over Trib to Turkey Creek

Fair

Jefferson County, Alabama · Pinson · Structure no. 017995

Built
2005
20 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
342 ft
2 main spans
Daily traffic
10,110
2024 count
Owner
State
State Highway Agency

About this bridge

Al - 79 North over Trib to Turkey Creek is a prestressed concrete stringer/multi-beam or girder carrying Al - 79 North over Trib to Turkey Creek in Jefferson County, Alabama. It was built in 2005, so it is 20 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 10,110 vehicles a day, roughly 7% of them trucks, projected to reach 12,508 by 2044. The structure is 342 ft (104.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAl - 79 North
CrossesTrib to Turkey Creek
LocationPinson
RouteState Highway 79
StateAlabama
Coordinates33.68549, -86.69141
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating84 US tons
Inventory rating52.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length342 ft (104.2 m)
Longest span105 ft (32 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,110 (2024)
Projected traffic12,508 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$3.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Al - 79 North over Trib to Turkey Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Al - 79 North over Trib to Turkey Creek 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 January 2024.

How much traffic does Al - 79 North over Trib to Turkey Creek carry?

About 10,110 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Al - 79 North over Trib to Turkey Creek?

The structure is 342 ft (104.2 m) long with a longest span of 105 ft (32 m) and a deck 43 ft wide.

Who owns Al - 79 North over Trib to Turkey Creek?

It is owned by the State Highway Agency.