US Bridges

U. S. 031 over L * N Railroad

Fair

Montgomery County, Alabama · 1200 Ft W of S. By-Pass · Structure no. 019544

Built
2006
19 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
194 ft
1 main span
Daily traffic
13,930
2013 count
Owner
State
State Highway Agency

About this bridge

U. S. 031 over L * N Railroad is a prestressed concrete stringer/multi-beam or girder carrying U. S. 031 over L * N Railroad in Montgomery County, Alabama. It was built in 2006, so it is 19 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 13,930 vehicles a day, roughly 10% of them trucks, projected to reach 17,894 by 2033. The structure is 194 ft (59.1 m) long and 84 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesU. S. 031
CrossesL * N Railroad
Location1200 Ft W of S. By-Pass
RouteU.S. Route 31
CountyMontgomery County
StateAlabama
Coordinates32.32959, -86.34805
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating79.4 US tons
Inventory rating49.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length194 ft (59.1 m)
Longest span84 ft (25.6 m)
Deck width84 ft (25.6 m)
Roadway width75 ft (23 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,930 (2013)
Projected traffic17,894 by 2033
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.4 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was U. S. 031 over L * N Railroad built?

It was built in 2006, making it 19 years old in 2025.

What condition is U. S. 031 over L * N Railroad 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 August 2023.

How much traffic does U. S. 031 over L * N Railroad carry?

About 13,930 vehicles per day (2013 count), of which roughly 10% are trucks.

How long is U. S. 031 over L * N Railroad?

The structure is 194 ft (59.1 m) long with a longest span of 84 ft (25.6 m) and a deck 84 ft wide.

Who owns U. S. 031 over L * N Railroad?

It is owned by the State Highway Agency.