US Bridges

I65 Sbl * Nbl over Al.River Relief No 1

Fair

Montgomery County, Alabama · 0.8 Mi.N.Of Al.River · Structure no. 010692

Built
1972
53 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
402 ft
5 main spans
Daily traffic
81,240
2013 count
Owner
State
State Highway Agency

About this bridge

I65 Sbl * Nbl over Al.River Relief No 1 is a steel stringer/multi-beam or girder carrying I65 Sbl * Nbl over Al.River Relief No 1 in Montgomery County, Alabama. It was built in 1972, so it is 53 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 5 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 81,240 vehicles a day, roughly 14% of them trucks, projected to reach 102,925 by 2033. The structure is 402 ft (122.5 m) long and 123 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI65 Sbl * Nbl
CrossesAl.River Relief No 1
Location0.8 Mi.N.Of Al.River
RouteInterstate 65
StateAlabama
Coordinates32.39007, -86.32413
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70.1 US tons
Inventory rating42 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length402 ft (122.5 m)
Longest span81 ft (24.7 m)
Deck width123 ft (37.4 m)
Roadway width116 ft (35.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic81,240 (2013)
Projected traffic102,925 by 2033
Trucks14%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$12.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I65 Sbl * Nbl over Al.River Relief No 1 built?

It was built in 1972, making it 53 years old in 2025.

What condition is I65 Sbl * Nbl over Al.River Relief No 1 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 I65 Sbl * Nbl over Al.River Relief No 1 carry?

About 81,240 vehicles per day (2013 count), of which roughly 14% are trucks.

How long is I65 Sbl * Nbl over Al.River Relief No 1?

The structure is 402 ft (122.5 m) long with a longest span of 81 ft (24.7 m) and a deck 123 ft wide.

Who owns I65 Sbl * Nbl over Al.River Relief No 1?

It is owned by the State Highway Agency.