US Bridges

Airport Road over Walnut Creek

FairPosted for load

Chilton County, Alabama · 0.2 MI SE of Airport · Structure no. 007650

Built
1962
63 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
340 ft
10 main spans
Daily traffic
7,100
2007 count
Owner
City
City or Municipal Highway Agency

About this bridge

Airport Road over Walnut Creek is a concrete tee beam carrying Airport Road over Walnut Creek in Chilton County, Alabama. It was built in 1962, so it is 63 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. Its operating status is: posted for load restriction.

It carries about 7,100 vehicles a day, roughly 10% of them trucks, projected to reach 15,215 by 2043. The structure is 340 ft (103.6 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesAirport Road
CrossesWalnut Creek
Location0.2 MI SE of Airport
RouteCounty Highway 0
CountyChilton County
StateAlabama
Coordinates32.84883, -86.60636
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.8 US tons
Inventory rating23.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadH 15
Structure length340 ft (103.6 m)
Longest span34 ft (10.4 m)
Deck width24 ft (7.2 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,100 (2007)
Projected traffic15,215 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Airport Road over Walnut Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is Airport Road over Walnut Creek 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 Airport Road over Walnut Creek carry?

About 7,100 vehicles per day (2007 count), of which roughly 10% are trucks.

How long is Airport Road over Walnut Creek?

The structure is 340 ft (103.6 m) long with a longest span of 34 ft (10.4 m) and a deck 24 ft wide.

Who owns Airport Road over Walnut Creek?

It is owned by the City or Municipal Highway Agency.