US Bridges

SR1/US 431 over Black Creek

Good

Etowah County, Alabama · @ Emma Sampson School · Structure no. 020540

Built
2017
8 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
158 ft
1 main span
Daily traffic
11,321
2022 count
Owner
State
State Highway Agency

About this bridge

SR1/US 431 over Black Creek is a steel stringer/multi-beam or girder carrying SR1/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 11,321 vehicles a day, roughly 8% of them trucks, projected to reach 15,850 by 2042. The structure is 158 ft (48.2 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR1/US 431
CrossesBlack Creek
Location@ Emma Sampson School
RouteU.S. Route 431
CountyEtowah County
StateAlabama
Coordinates34.02468, -86.0324
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating61.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length158 ft (48.2 m)
Longest span62 ft (18.9 m)
Deck width58 ft (17.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,321 (2022)
Projected traffic15,850 by 2042
Trucks8%
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 SR1/US 431 over Black Creek built?

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

What condition is SR1/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 November 2023.

How much traffic does SR1/US 431 over Black Creek carry?

About 11,321 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is SR1/US 431 over Black Creek?

The structure is 158 ft (48.2 m) long with a longest span of 62 ft (18.9 m) and a deck 58 ft wide.

Who owns SR1/US 431 over Black Creek?

It is owned by the State Highway Agency.