US Bridges

_old HWY 20 over _norfolk Southern RR

Good

Limestone County, Alabama · 1 MI E Greenbrier Pkwy · Structure no. 021571

Built
2020
5 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
420 ft
3 main spans
Daily traffic
4,659
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

_old HWY 20 over _norfolk Southern RR is a concrete stringer/multi-beam or girder carrying _old HWY 20 over _norfolk Southern RR in Limestone County, Alabama. It was built in 2020, so it is 5 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 4,659 vehicles a day, roughly 1% of them trucks, projected to reach 21,285 by 2043. The structure is 420 ft (128 m) long and 86 ft wide. If it were closed, the detour would be 5 mi (8 km).

Carries_old HWY 20
Crosses_norfolk Southern RR
Location1 MI E Greenbrier Pkwy
RouteCity Street 1382
StateAlabama
Coordinates34.66977, -86.82947
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.5 US tons
Inventory rating47.6 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length420 ft (128 m)
Longest span145 ft (44.2 m)
Deck width86 ft (26.3 m)
Roadway width72 ft (21.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,659 (2023)
Projected traffic21,285 by 2043
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost$8.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was _old HWY 20 over _norfolk Southern RR built?

It was built in 2020, making it 5 years old in 2025.

What condition is _old HWY 20 over _norfolk Southern RR 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 October 2023.

How much traffic does _old HWY 20 over _norfolk Southern RR carry?

About 4,659 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is _old HWY 20 over _norfolk Southern RR?

The structure is 420 ft (128 m) long with a longest span of 145 ft (44.2 m) and a deck 86 ft wide.

Who owns _old HWY 20 over _norfolk Southern RR?

It is owned by the City or Municipal Highway Agency.