US Bridges

16th Ave over Stream

Fair

Chilton County, Alabama · 0.3 MI W of US 31 · Structure no. 012349

Built
1980
45 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
2,500
2007 count
Owner
City
City or Municipal Highway Agency

About this bridge

16th Ave over Stream is a concrete culvert carrying 16th Ave over Stream in Chilton County, Alabama. It was built in 1980, so it is 45 years old, younger 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 2,500 vehicles a day, roughly 1% of them trucks, projected to reach 5,765 by 2043. The structure is 28 ft (8.5 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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Carries16th Ave
CrossesStream
Location0.3 MI W of US 31
RouteCity Street 0
CountyChilton County
StateAlabama
Coordinates32.8515, -86.63917
Functional classUrban 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 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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating71.7 US tons
Inventory rating43 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length28 ft (8.5 m)
Longest span14 ft (4.3 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2007)
Projected traffic5,765 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$338,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 16th Ave over Stream built?

It was built in 1980, making it 45 years old in 2025.

What condition is 16th Ave over Stream 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 March 2023.

How much traffic does 16th Ave over Stream carry?

About 2,500 vehicles per day (2007 count), of which roughly 1% are trucks.

How long is 16th Ave over Stream?

The structure is 28 ft (8.5 m) long with a longest span of 14 ft (4.3 m) and a deck 32 ft wide.

Who owns 16th Ave over Stream?

It is owned by the City or Municipal Highway Agency.