US Bridges

Cr. 50 over Four Mile Mill Branch

Fair

Butler County, Alabama · Boucher Lake · Structure no. 008006

Built
1963
62 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
1,647
2018 count
Owner
County
County Highway Agency

About this bridge

Cr. 50 over Four Mile Mill Branch is a concrete culvert carrying Cr. 50 over Four Mile Mill Branch in Butler County, Alabama. It was built in 1963, so it is 62 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 1,647 vehicles a day, roughly 48% of them trucks, projected to reach 1,120 by 2040. The structure is 43 ft (13 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCr. 50
CrossesFour Mile Mill Branch
LocationBoucher Lake
RouteCounty Highway 50
StateAlabama
Coordinates31.83077, -86.54723
Functional classRural Major 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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.3 US tons
Inventory rating27.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length43 ft (13 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,647 (2018)
Projected traffic1,120 by 2040
Trucks48%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost$453,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cr. 50 over Four Mile Mill Branch built?

It was built in 1963, making it 62 years old in 2025.

What condition is Cr. 50 over Four Mile Mill 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 November 2024.

How much traffic does Cr. 50 over Four Mile Mill Branch carry?

About 1,647 vehicles per day (2018 count), of which roughly 48% are trucks.

How long is Cr. 50 over Four Mile Mill Branch?

The structure is 43 ft (13 m) long with a longest span of 10 ft (3 m).

Who owns Cr. 50 over Four Mile Mill Branch?

It is owned by the County Highway Agency.