US Bridges

Mint Springs RD over Swamp Branch

Good

Madison County, Alabama · 3.0 MI W of Plevna · Structure no. 016104

Built
1989
36 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
420
2003 count
Owner
County
County Highway Agency

About this bridge

Mint Springs RD over Swamp Branch is a concrete culvert carrying Mint Springs RD over Swamp Branch in Madison County, Alabama. It was built in 1989, so it is 36 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 420 vehicles a day, roughly 2% of them trucks, projected to reach 620 by 2035. The structure is 33 ft (10.1 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMint Springs RD
CrossesSwamp Branch
Location3.0 MI W of Plevna
RouteCounty Highway 256
StateAlabama
Coordinates34.95404, -86.46853
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating98 US tons
Inventory rating67.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2003)
Projected traffic620 by 2035
Trucks2%
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$545,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mint Springs RD over Swamp Branch built?

It was built in 1989, making it 36 years old in 2025.

What condition is Mint Springs RD over Swamp Branch 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 June 2024.

How much traffic does Mint Springs RD over Swamp Branch carry?

About 420 vehicles per day (2003 count), of which roughly 2% are trucks.

How long is Mint Springs RD over Swamp Branch?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 44 ft wide.

Who owns Mint Springs RD over Swamp Branch?

It is owned by the County Highway Agency.