US Bridges

I85 Sbl over Holt ST

Fair

Montgomery County, Alabama · I85 and I65 Interchange · Structure no. 010888

Built
1973
52 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
486 ft
6 main spans
Daily traffic
22,110
2013 count
Owner
State
State Highway Agency

About this bridge

I85 Sbl over Holt ST is a steel stringer/multi-beam or girder carrying I85 Sbl over Holt ST in Montgomery County, Alabama. It was built in 1973, so it is 52 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 22,110 vehicles a day, roughly 21% of them trucks, projected to reach 29,140 by 2033. The structure is 486 ft (148.1 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI85 Sbl
CrossesHolt ST
LocationI85 and I65 Interchange
RouteInterstate 85
CountyMontgomery County
StateAlabama
Coordinates32.36744, -86.32025
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.2 US tons
Inventory rating28.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length486 ft (148.1 m)
Longest span99 ft (30.2 m)
Deck width54 ft (16.5 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,110 (2013)
Projected traffic29,140 by 2033
Trucks21%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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$6.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I85 Sbl over Holt ST built?

It was built in 1973, making it 52 years old in 2025.

What condition is I85 Sbl over Holt ST 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 April 2023.

How much traffic does I85 Sbl over Holt ST carry?

About 22,110 vehicles per day (2013 count), of which roughly 21% are trucks.

How long is I85 Sbl over Holt ST?

The structure is 486 ft (148.1 m) long with a longest span of 99 ft (30.2 m) and a deck 54 ft wide.

Who owns I85 Sbl over Holt ST?

It is owned by the State Highway Agency.