US Bridges

Snowville-Brent RD over Mill Creek

Good

Jefferson County, Alabama · .25 MI W US 78 · Structure no. 016622

Built
1996
29 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
191 ft
3 main spans
Daily traffic
1,905
2024 count
Owner
County
County Highway Agency

About this bridge

Snowville-Brent RD over Mill Creek is a prestressed concrete stringer/multi-beam or girder carrying Snowville-Brent RD over Mill Creek in Jefferson County, Alabama. It was built in 1996, so it is 29 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 1,905 vehicles a day, roughly 5% of them trucks, projected to reach 2,650 by 2044. The structure is 191 ft (58.3 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSnowville-Brent RD
CrossesMill Creek
Location.25 MI W US 78
RouteCounty Highway 147
StateAlabama
Coordinates33.71242, -87.00108
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.2 US tons
Inventory rating55.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length191 ft (58.3 m)
Longest span61 ft (18.7 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,905 (2024)
Projected traffic2,650 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$1.7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Snowville-Brent RD over Mill Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Snowville-Brent RD over Mill 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 December 2024.

How much traffic does Snowville-Brent RD over Mill Creek carry?

About 1,905 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Snowville-Brent RD over Mill Creek?

The structure is 191 ft (58.3 m) long with a longest span of 61 ft (18.7 m) and a deck 33 ft wide.

Who owns Snowville-Brent RD over Mill Creek?

It is owned by the County Highway Agency.