US Bridges

US 431 over Black Creek

Good

Etowah County, Alabama · @ Emma Sampson School · Structure no. 020541

Built
2017
8 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
150 ft
3 main spans
Daily traffic
14,614
2022 count
Owner
State
State Highway Agency

About this bridge

US 431 over Black Creek is a steel stringer/multi-beam or girder carrying US 431 over Black Creek in Etowah County, Alabama. It was built in 2017, so it is 8 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 14,614 vehicles a day, roughly 10% of them trucks, projected to reach 20,460 by 2042. The structure is 150 ft (45.7 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 431
CrossesBlack Creek
Location@ Emma Sampson School
RouteU.S. Route 431
StateAlabama
Coordinates34.0246, -86.0322
Functional classUrban Other Principal Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating98 US tons
Inventory rating66.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span54 ft (16.5 m)
Deck width60 ft (18.3 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,614 (2022)
Projected traffic20,460 by 2042
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$2.5 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 431 over Black Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is US 431 over Black Creek 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 2024.

How much traffic does US 431 over Black Creek carry?

About 14,614 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is US 431 over Black Creek?

The structure is 150 ft (45.7 m) long with a longest span of 54 ft (16.5 m) and a deck 60 ft wide.

Who owns US 431 over Black Creek?

It is owned by the State Highway Agency.