US Bridges

Minor Parkway over Corbert Branch

Fair

Jefferson County, Alabama · 1.5 MI S Al 78 · Structure no. 016469

Built
1980
45 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
16,875
2025 count
Owner
County
County Highway Agency

About this bridge

Minor Parkway over Corbert Branch is a concrete continuous culvert carrying Minor Parkway over Corbert Branch in Jefferson County, Alabama. It was built in 1980, so it is 45 years old, younger 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 16,875 vehicles a day, roughly 26% of them trucks, projected to reach 17,200 by 2045. The structure is 23 ft (7.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesMinor Parkway
CrossesCorbert Branch
Location1.5 MI S Al 78
RouteCounty Highway 128
CountyJefferson County
StateAlabama
Coordinates33.57923, -86.93182
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating98 US tons
Inventory rating94.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7.1 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,875 (2025)
Projected traffic17,200 by 2045
Trucks26%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.5 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Minor Parkway over Corbert Branch built?

It was built in 1980, making it 45 years old in 2025.

What condition is Minor Parkway over Corbert 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 January 2025.

How much traffic does Minor Parkway over Corbert Branch carry?

About 16,875 vehicles per day (2025 count), of which roughly 26% are trucks.

How long is Minor Parkway over Corbert Branch?

The structure is 23 ft (7.1 m) long with a longest span of 11 ft (3.5 m).

Who owns Minor Parkway over Corbert Branch?

It is owned by the County Highway Agency.