US Bridges

Martin RD over Trib Huntsville Spr Br

Good

Madison County, Alabama · E of Toftoy Thwy · Structure no. DAPAMCRED0VBC50

Built
1975
50 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
7,000
2016 count
Owner
Federal
Army

About this bridge

Martin RD over Trib Huntsville Spr Br is a concrete culvert carrying Martin RD over Trib Huntsville Spr Br in Madison County, Alabama. It was built in 1975, so it is 50 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 7,000 vehicles a day, roughly 10% of them trucks, projected to reach 7,800 by 2046. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMartin RD
CrossesTrib Huntsville Spr Br
LocationE of Toftoy Thwy
StateAlabama
Coordinates34.64734, -86.65278
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2016)
Projected traffic7,800 by 2046
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Martin RD over Trib Huntsville Spr Br built?

It was built in 1975, making it 50 years old in 2025.

What condition is Martin RD over Trib Huntsville Spr Br 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 August 2024.

How much traffic does Martin RD over Trib Huntsville Spr Br carry?

About 7,000 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is Martin RD over Trib Huntsville Spr Br?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns Martin RD over Trib Huntsville Spr Br?

It is owned by the Army.