US Bridges

US 331 MP 25.426 over Lightwood Knot Creek

Good

Covington County, Alabama · 1.4 M.N.Opp City Limit · Structure no. 017769

Built
2022
3 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
420 ft
3 main spans
Daily traffic
3,440
2013 count
Owner
State
State Highway Agency

About this bridge

US 331 MP 25.426 over Lightwood Knot Creek is a prestressed concrete stringer/multi-beam or girder carrying US 331 MP 25.426 over Lightwood Knot Creek in Covington County, Alabama. It was built in 2022, so it is 3 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 3,440 vehicles a day, roughly 12% of them trucks, projected to reach 4,688 by 2033. The structure is 420 ft (128 m) long and 46 ft wide. If it were closed, the detour would be 57.8 mi (93 km).

CarriesUS 331 MP 25.426
CrossesLightwood Knot Creek
Location1.4 M.N.Opp City Limit
RouteU.S. Route 331
StateAlabama
Coordinates31.32672, -86.2649
Functional classRural Principal Arterial - Other

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 protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating98 US tons
Inventory rating54.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length420 ft (128 m)
Longest span140 ft (42.7 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,440 (2013)
Projected traffic4,688 by 2033
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed57.8 mi (93 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 331 MP 25.426 over Lightwood Knot Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is US 331 MP 25.426 over Lightwood Knot 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 2024.

How much traffic does US 331 MP 25.426 over Lightwood Knot Creek carry?

About 3,440 vehicles per day (2013 count), of which roughly 12% are trucks.

How long is US 331 MP 25.426 over Lightwood Knot Creek?

The structure is 420 ft (128 m) long with a longest span of 140 ft (42.7 m) and a deck 46 ft wide.

Who owns US 331 MP 25.426 over Lightwood Knot Creek?

It is owned by the State Highway Agency.