US Bridges

Miller Road over Big Mud Creek

Good

Blount County, Alabama · 3 MI NE of Snead Crossing · Structure no. 021503

Built
2019
6 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
174
2023 count
Owner
County
County Highway Agency

About this bridge

Miller Road over Big Mud Creek is a prestressed concrete box beam or girders - multiple carrying Miller Road over Big Mud Creek in Blount County, Alabama. It was built in 2019, so it is 6 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 174 vehicles a day, roughly 1% of them trucks, projected to reach 259 by 2043. The structure is 67 ft (20.3 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMiller Road
CrossesBig Mud Creek
Location3 MI NE of Snead Crossing
RouteCounty Highway 313
StateAlabama
Coordinates34.08846, -86.59064
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable 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 rating91.3 US tons
Inventory rating53.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length67 ft (20.3 m)
Longest span65 ft (19.8 m)
Deck width24 ft (7.3 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic174 (2023)
Projected traffic259 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$505,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Miller Road over Big Mud Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is Miller Road over Big Mud 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 Miller Road over Big Mud Creek carry?

About 174 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Miller Road over Big Mud Creek?

The structure is 67 ft (20.3 m) long with a longest span of 65 ft (19.8 m) and a deck 24 ft wide.

Who owns Miller Road over Big Mud Creek?

It is owned by the County Highway Agency.