US Bridges

In 85 over Union ST

Poor

Montgomery County, Alabama · 1.3 MI N of I65 · Structure no. 014467

Built
1970
55 years old, rebuilt 1988
Condition
Poor
inspected June 2023
Type
Tee Beam
Concrete Continuous
Length
169 ft
3 main spans
Daily traffic
83,530
2013 count
Owner
State
State Highway Agency

About this bridge

In 85 over Union ST is a concrete continuous tee beam carrying In 85 over Union ST in Montgomery County, Alabama. It was built in 1970 and reconstructed in 1988, 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 83,530 vehicles a day, roughly 13% of them trucks, projected to reach 110,089 by 2033. The structure is 169 ft (51.5 m) long and 111 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIn 85
CrossesUnion ST
Location1.3 MI N of I65
RouteInterstate 85
CountyMontgomery County
StateAlabama
Coordinates32.36791, -86.30007
Functional classRural Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.6 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length169 ft (51.5 m)
Longest span64 ft (19.5 m)
Deck width111 ft (33.8 m)
Roadway width105 ft (32 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic83,530 (2013)
Projected traffic110,089 by 2033
Trucks13%
Lanes on structure6
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 proposedNone recorded
Estimated improvement cost$5.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was In 85 over Union ST built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1988.

What condition is In 85 over Union ST in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does In 85 over Union ST carry?

About 83,530 vehicles per day (2013 count), of which roughly 13% are trucks.

How long is In 85 over Union ST?

The structure is 169 ft (51.5 m) long with a longest span of 64 ft (19.5 m) and a deck 111 ft wide.

Who owns In 85 over Union ST?

It is owned by the State Highway Agency.