US Bridges

50th ST N over Branch

Fair

Jefferson County, Alabama · 50th ST * 15th Ave N · Structure no. 002420

Built
1940
85 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
1,000
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

50th ST N over Branch is a concrete culvert carrying 50th ST N over Branch in Jefferson County, Alabama. It was built in 1940, so it is 85 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 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,500 by 2038. The structure is 34 ft (10.4 m) long and 85 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries50th ST N
CrossesBranch
Location50th ST * 15th Ave N
RouteCity Street 0
StateAlabama
Coordinates33.54838, -86.76139
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length34 ft (10.4 m)
Longest span16 ft (5 m)
Deck width85 ft (26 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2018)
Projected traffic1,500 by 2038
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$925,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 50th ST N over Branch built?

It was built in 1940, making it 85 years old in 2025.

What condition is 50th ST N over 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 June 2024.

How much traffic does 50th ST N over Branch carry?

About 1,000 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is 50th ST N over Branch?

The structure is 34 ft (10.4 m) long with a longest span of 16 ft (5 m) and a deck 85 ft wide.

Who owns 50th ST N over Branch?

It is owned by the City or Municipal Highway Agency.