US Bridges

SR 20 over Branch

Fair

Lawrence County, Alabama · 2.4 M E JCT SR 20 & SR 33 · Structure no. 001100

Built
1934
91 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
11,290
2024 count
Owner
State
State Highway Agency

About this bridge

SR 20 over Branch is a concrete culvert carrying SR 20 over Branch in Lawrence County, Alabama. It was built in 1934, so it is 91 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 11,290 vehicles a day, roughly 17% of them trucks, projected to reach 15,206 by 2033. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesSR 20
CrossesBranch
Location2.4 M E JCT SR 20 & SR 33
RouteState Highway 20
CountyLawrence County
StateAlabama
Coordinates34.65214, -87.24811
Functional classRural Principal Arterial - Other

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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating25.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length38 ft (11.6 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 traffic11,290 (2024)
Projected traffic15,206 by 2033
Trucks17%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$1.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 20 over Branch built?

It was built in 1934, making it 91 years old in 2025.

What condition is SR 20 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 December 2024.

How much traffic does SR 20 over Branch carry?

About 11,290 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is SR 20 over Branch?

The structure is 38 ft (11.6 m) long with a longest span of 10 ft (3 m).

Who owns SR 20 over Branch?

It is owned by the State Highway Agency.