US Bridges

Atlanta HWY over Three Mile Branch

Fair

Montgomery County, Alabama · 200 Ft E. of Coliseum · Structure no. 007478

Built
1961
64 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
71 ft
4 main spans
Daily traffic
35,710
1988 count
Owner
City
City or Municipal Highway Agency

About this bridge

Atlanta HWY over Three Mile Branch is a concrete culvert carrying Atlanta HWY over Three Mile Branch in Montgomery County, Alabama. It was built in 1961, so it is 64 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 35,710 vehicles a day, roughly 3% of them trucks, projected to reach 55,550 by 2043. The structure is 71 ft (21.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesAtlanta HWY
CrossesThree Mile Branch
Location200 Ft E. of Coliseum
RouteCity Street 0
CountyMontgomery County
StateAlabama
Coordinates32.38546, -86.25665
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span17 ft (5.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,710 (1988)
Projected traffic55,550 by 2043
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$2.6 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Atlanta HWY over Three Mile Branch built?

It was built in 1961, making it 64 years old in 2025.

What condition is Atlanta HWY 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 August 2023.

How much traffic does Atlanta HWY over Three Mile Branch carry?

About 35,710 vehicles per day (1988 count), of which roughly 3% are trucks.

How long is Atlanta HWY over Three Mile Branch?

The structure is 71 ft (21.6 m) long with a longest span of 17 ft (5.3 m).

Who owns Atlanta HWY over Three Mile Branch?

It is owned by the City or Municipal Highway Agency.