US Bridges

U.S. 31 over Alabama River Relief

Fair

Elmore County, Alabama · 0.5 Mi. N Montg CO Lin · Structure no. 017407

Built
2001
24 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
398 ft
4 main spans
Daily traffic
10,450
2013 count
Owner
State
State Highway Agency

About this bridge

U.S. 31 over Alabama River Relief is a prestressed concrete stringer/multi-beam or girder carrying U.S. 31 over Alabama River Relief in Elmore County, Alabama. It was built in 2001, so it is 24 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 10,450 vehicles a day, roughly 8% of them trucks, projected to reach 13,424 by 2033. The structure is 398 ft (121.3 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesU.S. 31
CrossesAlabama River Relief
Location0.5 Mi. N Montg CO Lin
RouteU.S. Route 31
CountyElmore County
StateAlabama
Coordinates32.4183, -86.41072
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating87 US tons
Inventory rating51.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length398 ft (121.3 m)
Longest span100 ft (30.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,450 (2013)
Projected traffic13,424 by 2033
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost$4.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. 31 over Alabama River Relief built?

It was built in 2001, making it 24 years old in 2025.

What condition is U.S. 31 over Alabama River Relief 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 May 2023.

How much traffic does U.S. 31 over Alabama River Relief carry?

About 10,450 vehicles per day (2013 count), of which roughly 8% are trucks.

How long is U.S. 31 over Alabama River Relief?

The structure is 398 ft (121.3 m) long with a longest span of 100 ft (30.5 m) and a deck 43 ft wide.

Who owns U.S. 31 over Alabama River Relief?

It is owned by the State Highway Agency.