US Bridges

Highland Ave over Three Mile Branch

Fair

Montgomery County, Alabama · 0.22 MI E of Ann ST · Structure no. 009683

Built
1968
57 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
41 ft
1 main span
Daily traffic
5,500
1992 count
Owner
City
City or Municipal Highway Agency

About this bridge

Highland Ave over Three Mile Branch is a concrete box beam or girders - multiple carrying Highland Ave over Three Mile Branch in Montgomery County, Alabama. It was built in 1968, so it is 57 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 6 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 5,500 vehicles a day, roughly 1% of them trucks, projected to reach 6,120 by 2044. The structure is 41 ft (12.5 m) long and 66 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHighland Ave
CrossesThree Mile Branch
Location0.22 MI E of Ann ST
RouteCity Street 0
StateAlabama
Coordinates32.37246, -86.26717
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48 US tons
Inventory rating36 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length41 ft (12.5 m)
Longest span41 ft (12.5 m)
Deck width66 ft (20 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (1992)
Projected traffic6,120 by 2044
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$943,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Highland Ave over Three Mile Branch built?

It was built in 1968, making it 57 years old in 2025.

What condition is Highland Ave over Three Mile Branch 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 September 2024.

How much traffic does Highland Ave over Three Mile Branch carry?

About 5,500 vehicles per day (1992 count), of which roughly 1% are trucks.

How long is Highland Ave over Three Mile Branch?

The structure is 41 ft (12.5 m) long with a longest span of 41 ft (12.5 m) and a deck 66 ft wide.

Who owns Highland Ave over Three Mile Branch?

It is owned by the City or Municipal Highway Agency.