US Bridges

_US31 Ramp to I20W over _I20 US31 I20 Ramps

Good

Jefferson County, Alabama · _I20W · Structure no. 021222

Built
2019
6 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,795 ft
9 main spans
Daily traffic
86,054
2023 count
Owner
State
State Highway Agency

About this bridge

_US31 Ramp to I20W over _I20 US31 I20 Ramps is a steel continuous stringer/multi-beam or girder carrying _US31 Ramp to I20W over _I20 US31 I20 Ramps in Jefferson County, Alabama. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 86,054 vehicles a day, roughly 10% of them trucks, projected to reach 98,692 by 2043. The structure is 2,795 ft (851.9 m) long and 28 ft wide.

Location

Open in Google Maps
Carries_US31 Ramp to I20W
Crosses_I20 US31 I20 Ramps
Location_I20W
RouteInterstate 20
CountyJefferson County
StateAlabama
Coordinates33.52503, -86.80713
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.1 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans9 (+11 approach)
Design loadHL 93
Structure length2,795 ft (851.9 m)
Longest span280 ft (85.3 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic86,054 (2023)
Projected traffic98,692 by 2043
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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$17.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was _US31 Ramp to I20W over _I20 US31 I20 Ramps built?

It was built in 2019, making it 6 years old in 2025.

What condition is _US31 Ramp to I20W over _I20 US31 I20 Ramps 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 2023.

How much traffic does _US31 Ramp to I20W over _I20 US31 I20 Ramps carry?

About 86,054 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is _US31 Ramp to I20W over _I20 US31 I20 Ramps?

The structure is 2,795 ft (851.9 m) long with a longest span of 280 ft (85.3 m) and a deck 28 ft wide.

Who owns _US31 Ramp to I20W over _I20 US31 I20 Ramps?

It is owned by the State Highway Agency.