US Bridges

Hinkle Road over Poly Creek

Poor

Chilton County, Alabama · .8 MI S Al 22 · Structure no. 009554

Built
1968
57 years old
Condition
Poor
inspected March 2023
Type
Culvert
Concrete
Length
39 ft
3 main spans
Daily traffic
1,000
2007 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hinkle Road over Poly Creek is a concrete culvert carrying Hinkle Road over Poly Creek in Chilton County, Alabama. It was built in 1968, so it is 57 years old, older than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,400 by 2043. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesHinkle Road
CrossesPoly Creek
Location.8 MI S Al 22
RouteCity Street 0
CountyChilton County
StateAlabama
Coordinates32.82636, -86.65319
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.9 US tons
Inventory rating22.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 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 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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$426,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hinkle Road over Poly Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Hinkle Road over Poly Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does Hinkle Road over Poly Creek carry?

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

How long is Hinkle Road over Poly Creek?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m).

Who owns Hinkle Road over Poly Creek?

It is owned by the City or Municipal Highway Agency.