US Bridges

13th ST over Drainage

Fair

Chilton County, Alabama · _ · Structure no. 021888

Built
1950
75 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
24 ft
3 main spans
Daily traffic
1,000
2007 count
Owner
City
City or Municipal Highway Agency

About this bridge

13th ST over Drainage is a concrete culvert carrying 13th ST over Drainage in Chilton County, Alabama. It was built in 1950, so it is 75 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 5 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 2% of them trucks, projected to reach 1,400 by 2027. The structure is 24 ft (7.4 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Carries13th ST
CrossesDrainage
Location_
RouteCity Street 0
StateAlabama
Coordinates32.83008, -86.63756
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating83.1 US tons
Inventory rating49.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length24 ft (7.4 m)
Longest span0 ft (0 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2007)
Projected traffic1,400 by 2027
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedNone recorded
Estimated improvement cost$351,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 13th ST over Drainage built?

It was built in 1950, making it 75 years old in 2025.

What condition is 13th ST over Drainage 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 July 2024.

How much traffic does 13th ST over Drainage carry?

About 1,000 vehicles per day (2007 count), of which roughly 2% are trucks.

How long is 13th ST over Drainage?

The structure is 24 ft (7.4 m) long.

Who owns 13th ST over Drainage?

It is owned by the City or Municipal Highway Agency.