US Bridges

US231; US431; SR1 over Drainage Easement

Fair

Madison County, Alabama · JCT US 231 * Oakwood Ave · Structure no. 016176

Built
1993
32 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
44,349
2023 count
Owner
State
State Highway Agency

About this bridge

US231; US431; SR1 over Drainage Easement is a concrete culvert carrying US231; US431; SR1 over Drainage Easement in Madison County, Alabama. It was built in 1993, so it is 32 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 44,349 vehicles a day, roughly 2% of them trucks, projected to reach 62,088 by 2043. The structure is 22 ft (6.7 m) long.

Location

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CarriesUS231; US431; SR1
CrossesDrainage Easement
LocationJCT US 231 * Oakwood Ave
RouteU.S. Route 231
CountyMadison County
StateAlabama
Coordinates34.74944, -86.59889
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
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 alignment7: Better than present minimum criteria
Operating rating66.5 US tons
Inventory rating39.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,349 (2023)
Projected traffic62,088 by 2043
Trucks2%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost$5.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US231; US431; SR1 over Drainage Easement built?

It was built in 1993, making it 32 years old in 2025.

What condition is US231; US431; SR1 over Drainage Easement 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 February 2025.

How much traffic does US231; US431; SR1 over Drainage Easement carry?

About 44,349 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is US231; US431; SR1 over Drainage Easement?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns US231; US431; SR1 over Drainage Easement?

It is owned by the State Highway Agency.