US Bridges

Oak Grove RD over Scott Branch

Fair

Madison County, Alabama · 0.15 MI East CO RD 1379 · Structure no. 001674

Built
1937
88 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
21 ft
2 main spans
Daily traffic
300
1992 count
Owner
County
County Highway Agency

About this bridge

Oak Grove RD over Scott Branch is a concrete slab carrying Oak Grove RD over Scott Branch in Madison County, Alabama. It was built in 1937, so it is 88 years old, older than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 300 vehicles a day, roughly 1% of them trucks, projected to reach 395 by 2040. The structure is 21 ft (6.4 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesOak Grove RD
CrossesScott Branch
Location0.15 MI East CO RD 1379
RouteCounty Highway 381
CountyMadison County
StateAlabama
Coordinates34.51467, -86.43673
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (1992)
Projected traffic395 by 2040
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$199,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Oak Grove RD over Scott Branch built?

It was built in 1937, making it 88 years old in 2025.

What condition is Oak Grove RD over Scott Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does Oak Grove RD over Scott Branch carry?

About 300 vehicles per day (1992 count), of which roughly 1% are trucks.

How long is Oak Grove RD over Scott Branch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 22 ft wide.

Who owns Oak Grove RD over Scott Branch?

It is owned by the County Highway Agency.