US Bridges

US 431/AL 1/US 231 over SR 2

Good

Madison County, Alabama · JCT US 431 * US 72 · Structure no. 013872

Built
1986
39 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
342 ft
3 main spans
Daily traffic
44,169
2021 count
Owner
State
State Highway Agency

About this bridge

US 431/AL 1/US 231 over SR 2 is a steel continuous stringer/multi-beam or girder carrying US 431/AL 1/US 231 over SR 2 in Madison County, Alabama. It was built in 1986, so it is 39 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 44,169 vehicles a day, roughly 2% of them trucks, projected to reach 66,837 by 2041. The structure is 342 ft (104.2 m) long and 91 ft wide.

Location

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CarriesUS 431/AL 1/US 231
CrossesSR 2
LocationJCT US 431 * US 72
RouteU.S. Route 231
CountyMadison County
StateAlabama
Coordinates34.73983, -86.60009
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.6 US tons
Inventory rating27.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length342 ft (104.2 m)
Longest span140 ft (42.7 m)
Deck width91 ft (27.6 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,169 (2021)
Projected traffic66,837 by 2041
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$7.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 431/AL 1/US 231 over SR 2 built?

It was built in 1986, making it 39 years old in 2025.

What condition is US 431/AL 1/US 231 over SR 2 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does US 431/AL 1/US 231 over SR 2 carry?

About 44,169 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is US 431/AL 1/US 231 over SR 2?

The structure is 342 ft (104.2 m) long with a longest span of 140 ft (42.7 m) and a deck 91 ft wide.

Who owns US 431/AL 1/US 231 over SR 2?

It is owned by the State Highway Agency.