US Bridges

Smith Lake Dame RD over Mill Creek

Good

Walker County, Alabama · .5 MI North 69 HWY · Structure no. 018074

Built
2002
23 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
3 main spans
Daily traffic
531
2002 count
Owner
County
County Highway Agency

About this bridge

Smith Lake Dame RD over Mill Creek is a prestressed concrete stringer/multi-beam or girder carrying Smith Lake Dame RD over Mill Creek in Walker County, Alabama. It was built in 2002, so it is 23 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 531 vehicles a day, roughly 1% of them trucks, projected to reach 850 by 2033. The structure is 240 ft (73.2 m) long and 30 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSmith Lake Dame RD
CrossesMill Creek
Location.5 MI North 69 HWY
RouteCounty Highway 51
StateAlabama
Coordinates33.91667, -86.96667
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.8 US tons
Inventory rating54.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span120 ft (36.6 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic531 (2002)
Projected traffic850 by 2033
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollToll bridge segment under Secretarial agreement
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$1.9 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Smith Lake Dame RD over Mill Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Smith Lake Dame 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 January 2025.

How much traffic does Smith Lake Dame RD over Mill Creek carry?

About 531 vehicles per day (2002 count), of which roughly 1% are trucks.

How long is Smith Lake Dame RD over Mill Creek?

The structure is 240 ft (73.2 m) long with a longest span of 120 ft (36.6 m) and a deck 30 ft wide.

Who owns Smith Lake Dame RD over Mill Creek?

It is owned by the County Highway Agency.