US Bridges

Moon Road over I-22

Good

Walker County, Alabama · 58.6 MP on I-22/MOON RD · Structure no. 016901

Built
1997
28 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
354 ft
4 main spans
Daily traffic
509
2020 count
Owner
State
State Highway Agency

About this bridge

Moon Road over I-22 is a prestressed concrete stringer/multi-beam or girder carrying Moon Road over I-22 in Walker County, Alabama. It was built in 1997, so it is 28 years old, younger than the Alabama average of 51.1 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 509 vehicles a day, roughly 4% of them trucks, projected to reach 500 by 2041. The structure is 354 ft (107.9 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMoon Road
CrossesI-22
Location58.6 MP on I-22/MOON RD
RouteCounty Highway 0
StateAlabama
Coordinates33.8397, -87.33132
Functional classRural Local

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.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.2 US tons
Inventory rating41.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length354 ft (107.9 m)
Longest span115 ft (35.1 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic509 (2020)
Projected traffic500 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$3.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Moon Road over I-22 built?

It was built in 1997, making it 28 years old in 2025.

What condition is Moon Road over I-22 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 March 2023.

How much traffic does Moon Road over I-22 carry?

About 509 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Moon Road over I-22?

The structure is 354 ft (107.9 m) long with a longest span of 115 ft (35.1 m) and a deck 37 ft wide.

Who owns Moon Road over I-22?

It is owned by the State Highway Agency.