US Bridges

SR4 / US78 over Snow Creek

Good

Calhoun County, Alabama · 0.1 MI East JCT SR 21 · Structure no. 016037

Built
1995
30 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
246 ft
6 main spans
Daily traffic
9,597
2022 count
Owner
State
State Highway Agency

About this bridge

SR4 / US78 over Snow Creek is a prestressed concrete stringer/multi-beam or girder carrying SR4 / US78 over Snow Creek in Calhoun County, Alabama. It was built in 1995, so it is 30 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 9,597 vehicles a day, roughly 3% of them trucks, projected to reach 13,435 by 2042. The structure is 246 ft (75 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR4 / US78
CrossesSnow Creek
Location0.1 MI East JCT SR 21
RouteU.S. Route 78
StateAlabama
Coordinates33.61101, -85.82479
Functional classUrban Minor 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 protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.7 US tons
Inventory rating32.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length246 ft (75 m)
Longest span41 ft (12.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,597 (2022)
Projected traffic13,435 by 2042
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$2.7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR4 / US78 over Snow Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is SR4 / US78 over Snow 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 October 2023.

How much traffic does SR4 / US78 over Snow Creek carry?

About 9,597 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is SR4 / US78 over Snow Creek?

The structure is 246 ft (75 m) long with a longest span of 41 ft (12.5 m) and a deck 43 ft wide.

Who owns SR4 / US78 over Snow Creek?

It is owned by the State Highway Agency.