US Bridges

CR 36 over Flat Branch

Fair

Washington County, Alabama · 3/4 MI E Miss Line · Structure no. 005549

Built
1956
69 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
475
1992 count
Owner
County
County Highway Agency

About this bridge

CR 36 over Flat Branch is a concrete culvert carrying CR 36 over Flat Branch in Washington County, Alabama. It was built in 1956, so it is 69 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 475 vehicles a day, roughly 10% of them trucks, projected to reach 600 by 2037. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 14.3 mi (23 km).

CarriesCR 36
CrossesFlat Branch
Location3/4 MI E Miss Line
RouteCounty Highway 0
StateAlabama
Coordinates31.59763, -88.45146
Functional classRural Minor 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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating34.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.6 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 traffic475 (1992)
Projected traffic600 by 2037
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$277,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 36 over Flat Branch built?

It was built in 1956, making it 69 years old in 2025.

What condition is CR 36 over Flat 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 April 2024.

How much traffic does CR 36 over Flat Branch carry?

About 475 vehicles per day (1992 count), of which roughly 10% are trucks.

How long is CR 36 over Flat Branch?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3 m).

Who owns CR 36 over Flat Branch?

It is owned by the County Highway Agency.