US Bridges

E Audubon Rd. over Drainage Ditch

Fair

Montgomery County, Alabama · 150FT S of Portland Ave · Structure no. 003280

Built
1948
77 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
1,000
1992 count
Owner
City
City or Municipal Highway Agency

About this bridge

E Audubon Rd. over Drainage Ditch is a concrete culvert carrying E Audubon Rd. over Drainage Ditch in Montgomery County, Alabama. It was built in 1948, so it is 77 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 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,224 by 2043. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesE Audubon Rd.
CrossesDrainage Ditch
Location150FT S of Portland Ave
RouteCity Street 0
CountyMontgomery County
StateAlabama
Coordinates32.33704, -86.29058
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length25 ft (7.5 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (1992)
Projected traffic1,224 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$444,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was E Audubon Rd. over Drainage Ditch built?

It was built in 1948, making it 77 years old in 2025.

What condition is E Audubon Rd. over Drainage Ditch 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 September 2023.

How much traffic does E Audubon Rd. over Drainage Ditch carry?

About 1,000 vehicles per day (1992 count), of which roughly 1% are trucks.

How long is E Audubon Rd. over Drainage Ditch?

The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.6 m).

Who owns E Audubon Rd. over Drainage Ditch?

It is owned by the City or Municipal Highway Agency.