US Bridges

Al 15 over Al 186

Fair

Macon County, Alabama · AL.15*AL.#186 · Structure no. 010946

Built
1973
52 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
314 ft
4 main spans
Daily traffic
3,839
2010 count
Owner
State
State Highway Agency

About this bridge

Al 15 over Al 186 is a steel continuous stringer/multi-beam or girder carrying Al 15 over Al 186 in Macon 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 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 3,839 vehicles a day, roughly 9% of them trucks, projected to reach 3,996 by 2030. The structure is 314 ft (95.7 m) long and 54 ft wide.

CarriesAl 15
CrossesAl 186
LocationAL.15*AL.#186
RouteU.S. Route 29
StateAlabama
Coordinates32.46853, -85.57696
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.4 US tons
Inventory rating38.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length314 ft (95.7 m)
Longest span87 ft (26.5 m)
Deck width54 ft (16.6 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,839 (2010)
Projected traffic3,996 by 2030
Trucks9%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost$4.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Al 15 over Al 186 built?

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

What condition is Al 15 over Al 186 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 2024.

How much traffic does Al 15 over Al 186 carry?

About 3,839 vehicles per day (2010 count), of which roughly 9% are trucks.

How long is Al 15 over Al 186?

The structure is 314 ft (95.7 m) long with a longest span of 87 ft (26.5 m) and a deck 54 ft wide.

Who owns Al 15 over Al 186?

It is owned by the State Highway Agency.