US Bridges

I 59 over US 431

Fair

Etowah County, Alabama · I 59 * Atn Rr/Us 431 · Structure no. 015509

Built
1992
33 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
213 ft
1 main span
Daily traffic
13,076
2022 count
Owner
State
State Highway Agency

About this bridge

I 59 over US 431 is a steel stringer/multi-beam or girder carrying I 59 over US 431 in Etowah County, Alabama. It was built in 1992, so it is 33 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 13,076 vehicles a day, roughly 30% of them trucks, projected to reach 18,306 by 2042. The structure is 213 ft (64.9 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 59
CrossesUS 431
LocationI 59 * Atn Rr/Us 431
RouteInterstate 59
CountyEtowah County
StateAlabama
Coordinates34.01895, -86.07459
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating41.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length213 ft (64.9 m)
Longest span80 ft (24.4 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,076 (2022)
Projected traffic18,306 by 2042
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and railroad
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$2.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 59 over US 431 built?

It was built in 1992, making it 33 years old in 2025.

What condition is I 59 over US 431 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does I 59 over US 431 carry?

About 13,076 vehicles per day (2022 count), of which roughly 30% are trucks.

How long is I 59 over US 431?

The structure is 213 ft (64.9 m) long with a longest span of 80 ft (24.4 m) and a deck 47 ft wide.

Who owns I 59 over US 431?

It is owned by the State Highway Agency.