US Bridges

I65 Nbl over Double Gap RD

Fair

Lowndes County, Alabama · 4.3 MI S of Al 97 · Structure no. 008993

Built
1966
59 years old
Condition
Fair
inspected January 2025
Type
Tee Beam
Concrete
Length
102 ft
3 main spans
Daily traffic
13,925
2013 count
Owner
State
State Highway Agency

About this bridge

I65 Nbl over Double Gap RD is a concrete tee beam carrying I65 Nbl over Double Gap RD in Lowndes County, Alabama. It was built in 1966, so it is 59 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 13,925 vehicles a day, roughly 24% of them trucks, projected to reach 17,642 by 2033. The structure is 102 ft (31.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI65 Nbl
CrossesDouble Gap RD
Location4.3 MI S of Al 97
RouteInterstate 65
CountyLowndes County
StateAlabama
Coordinates32.05399, -86.49538
Functional classRural 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span34 ft (10.4 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,925 (2013)
Projected traffic17,642 by 2033
Trucks24%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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$1.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I65 Nbl over Double Gap RD built?

It was built in 1966, making it 59 years old in 2025.

What condition is I65 Nbl over Double Gap RD 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 January 2025.

How much traffic does I65 Nbl over Double Gap RD carry?

About 13,925 vehicles per day (2013 count), of which roughly 24% are trucks.

How long is I65 Nbl over Double Gap RD?

The structure is 102 ft (31.1 m) long with a longest span of 34 ft (10.4 m) and a deck 43 ft wide.

Who owns I65 Nbl over Double Gap RD?

It is owned by the State Highway Agency.