US Bridges

Airline Road over Walnut Creek

Good

Henry County, Georgia · 2 MI NE of Mcdonough · Structure no. 000000015150120

Built
1989
36 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
145 ft
3 main spans
Daily traffic
4,750
2024 count
Owner
County
County Highway Agency

About this bridge

Airline Road over Walnut Creek is a steel stringer/multi-beam or girder carrying Airline Road over Walnut Creek in Henry County, Georgia. It was built in 1989, so it is 36 years old, younger than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,750 vehicles a day, roughly 1% of them trucks, projected to reach 3,705 by 2031. The structure is 145 ft (44.2 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesAirline Road
CrossesWalnut Creek
Location2 MI NE of Mcdonough
RouteCounty Highway 133
StateGeorgia
Coordinates33.48559, -84.09927
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating62.9 US tons
Inventory rating36.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length145 ft (44.2 m)
Longest span49 ft (14.9 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,750 (2024)
Projected traffic3,705 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$850,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Airline Road over Walnut Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Airline Road over Walnut Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does Airline Road over Walnut Creek carry?

About 4,750 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Airline Road over Walnut Creek?

The structure is 145 ft (44.2 m) long with a longest span of 49 ft (14.9 m) and a deck 35 ft wide.

Who owns Airline Road over Walnut Creek?

It is owned by the County Highway Agency.