US Bridges

Upper Snake RD over Maple Swamp Br

Good

Limestone County, Alabama · SEC17 T2S R6W · Structure no. 002565

Built
1941
84 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
800
2000 count
Owner
County
County Highway Agency

About this bridge

Upper Snake RD over Maple Swamp Br is a concrete continuous slab carrying Upper Snake RD over Maple Swamp Br in Limestone County, Alabama. It was built in 1941, so it is 84 years old, older 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 800 vehicles a day, roughly 6% of them trucks, projected to reach 1,200 by 2030. The structure is 22 ft (6.7 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUpper Snake RD
CrossesMaple Swamp Br
LocationSEC17 T2S R6W
RouteCounty Highway 26
StateAlabama
Coordinates34.86959, -87.17796
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span9 ft (2.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2000)
Projected traffic1,200 by 2030
Trucks6%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$294,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Upper Snake RD over Maple Swamp Br built?

It was built in 1941, making it 84 years old in 2025.

What condition is Upper Snake RD over Maple Swamp 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 April 2023.

How much traffic does Upper Snake RD over Maple Swamp Br carry?

About 800 vehicles per day (2000 count), of which roughly 6% are trucks.

How long is Upper Snake RD over Maple Swamp Br?

The structure is 22 ft (6.7 m) long with a longest span of 9 ft (2.7 m) and a deck 30 ft wide.

Who owns Upper Snake RD over Maple Swamp Br?

It is owned by the County Highway Agency.