US Bridges

I-565 over Zierdt Road

Good

Madison County, Alabama · I-565 over Zierdt Rd. · Structure no. 014452

Built
1988
37 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
250 ft
1 main span
Daily traffic
35,103
2021 count
Owner
State
State Highway Agency

About this bridge

I-565 over Zierdt Road is a prestressed concrete stringer/multi-beam or girder carrying I-565 over Zierdt Road in Madison County, Alabama. It was built in 1988, so it is 37 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 35,103 vehicles a day, roughly 10% of them trucks, projected to reach 49,144 by 2041. The structure is 250 ft (76.2 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-565
CrossesZierdt Road
LocationI-565 over Zierdt Rd.
RouteInterstate 565
StateAlabama
Coordinates34.68992, -86.71644
Functional classUrban Principal Arterial - Interstate

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 inspectionJune 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 rating79.1 US tons
Inventory rating48.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length250 ft (76.2 m)
Longest span112 ft (34.1 m)
Deck width59 ft (17.9 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,103 (2021)
Projected traffic49,144 by 2041
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$3.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-565 over Zierdt Road built?

It was built in 1988, making it 37 years old in 2025.

What condition is I-565 over Zierdt Road 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 June 2023.

How much traffic does I-565 over Zierdt Road carry?

About 35,103 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is I-565 over Zierdt Road?

The structure is 250 ft (76.2 m) long with a longest span of 112 ft (34.1 m) and a deck 59 ft wide.

Who owns I-565 over Zierdt Road?

It is owned by the State Highway Agency.