US Bridges

In 85 over Chestnut Street

Fair

Montgomery County, Alabama · 2.6 MI N of I65 · Structure no. 010205

Built
1970
55 years old, rebuilt 1994
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
409 ft
6 main spans
Daily traffic
109,830
2013 count
Owner
State
State Highway Agency

About this bridge

In 85 over Chestnut Street is a steel stringer/multi-beam or girder carrying In 85 over Chestnut Street in Montgomery County, Alabama. It was built in 1970 and reconstructed in 1994, so it is 55 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 109,830 vehicles a day, roughly 10% of them trucks, projected to reach 144,752 by 2033. The structure is 409 ft (124.7 m) long and 151 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIn 85
CrossesChestnut Street
Location2.6 MI N of I65
RouteInterstate 85
StateAlabama
Coordinates32.36546, -86.2781
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
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 rating55.8 US tons
Inventory rating33.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length409 ft (124.7 m)
Longest span82 ft (25 m)
Deck width151 ft (46 m)
Roadway width144 ft (44 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic109,830 (2013)
Projected traffic144,752 by 2033
Trucks10%
Lanes on structure10
Traffic directionTwo-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$15.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was In 85 over Chestnut Street built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1994.

What condition is In 85 over Chestnut Street 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 In 85 over Chestnut Street carry?

About 109,830 vehicles per day (2013 count), of which roughly 10% are trucks.

How long is In 85 over Chestnut Street?

The structure is 409 ft (124.7 m) long with a longest span of 82 ft (25 m) and a deck 151 ft wide.

Who owns In 85 over Chestnut Street?

It is owned by the State Highway Agency.