Strain RD over Swan Creek

Fair

Limestone County, Alabama · Landfill RD * Swan Creek · Structure no. 010743

Built: 1972; 53 years old
Condition: Fair; inspected January 2025
Type: Tee Beam; Concrete
Length: 238 ft; 7 main spans
Daily traffic: 270; 2007 count
Owner: City; City or Municipal Highway Agency

About this bridge

Strain RD over Swan Creek is a concrete tee beam carrying Strain RD over Swan Creek in Limestone County, Alabama. It was built in 1972, so it is 53 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 6 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 270 vehicles a day, roughly 50% of them trucks, projected to reach 321 by 2033. The structure is 238 ft (72.5 m) long and 28 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

Location

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CarriesStrain RD

CrossesSwan Creek

LocationLandfill RD * Swan Creek

RouteCity Street 0

CountyLimestone County

StateAlabama

Coordinates34.76417, -86.94692

Functional classUrban Local

Condition and inspection

Fair

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

Component	Rating	Meaning
Deck	6 Satisfactory	Structural elements show some minor deterioration.
Superstructure	7 Good	Some minor problems.
Substructure	6 Satisfactory	Structural elements show some minor deterioration.
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionJanuary 2025

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 alignment6: Equal to present minimum criteria

Operating rating48.9 US tons

Inventory rating29.4 US tons

Structure

Structure typeTee Beam

MaterialConcrete

DeckConcrete, cast-in-place

Main spans7

Design loadH 15

Structure length238 ft (72.5 m)

Longest span34 ft (10.4 m)

Deck width28 ft (8.5 m)

Roadway width24 ft (7.4 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2007)

Projected traffic321 by 2033

Trucks50%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed98.2 mi (158 km)

TollOn a free road

National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency

Maintained byCity or Municipal 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$1.7 million (2025 estimate)

NavigationNo navigation control on waterway

Frequently asked questions

When was Strain RD over Swan Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Strain RD over Swan Creek 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 January 2025.

How much traffic does Strain RD over Swan Creek carry?

About 270 vehicles per day (2007 count), of which roughly 50% are trucks.

How long is Strain RD over Swan Creek?

The structure is 238 ft (72.5 m) long with a longest span of 34 ft (10.4 m) and a deck 28 ft wide.

Who owns Strain RD over Swan Creek?

It is owned by the City or Municipal Highway Agency.