US Bridges

Bibb Garrett Road over SR-20

Good

Limestone County, Alabama · 0.7M W JCT I-65 & I-565 · Structure no. 020991

Built
2023
2 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
250 ft
2 main spans
Daily traffic
10
2024 count
Owner
State
State Highway Agency

About this bridge

Bibb Garrett Road over SR-20 is a prestressed concrete stringer/multi-beam or girder carrying Bibb Garrett Road over SR-20 in Limestone County, Alabama. It was built in 2023, so it is 2 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 10 vehicles a day, projected to reach 1,000 by 2040. The structure is 250 ft (76.2 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesBibb Garrett Road
CrossesSR-20
Location0.7M W JCT I-65 & I-565
RouteCounty Highway 3
CountyLimestone County
StateAlabama
Coordinates34.62772, -86.91369
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.9 US tons
Inventory rating59 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length250 ft (76.2 m)
Longest span125 ft (38.1 m)
Deck width43 ft (13.1 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2024)
Projected traffic1,000 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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$2.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bibb Garrett Road over SR-20 built?

It was built in 2023, making it 2 years old in 2025.

What condition is Bibb Garrett Road over SR-20 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 December 2024.

How much traffic does Bibb Garrett Road over SR-20 carry?

About 10 vehicles per day (2024 count).

How long is Bibb Garrett Road over SR-20?

The structure is 250 ft (76.2 m) long with a longest span of 125 ft (38.1 m) and a deck 43 ft wide.

Who owns Bibb Garrett Road over SR-20?

It is owned by the State Highway Agency.