SR 99 over Branch

Fair

Limestone County, Alabama · 0.7 M W JCT SR 99 & SR 3 · Structure no. 008850

Built: 1965; 60 years old
Condition: Fair; inspected June 2024
Type: Culvert; Concrete
Length: 21 ft; 2 main spans
Daily traffic: 10,640; 2024 count
Owner: State; State Highway Agency

About this bridge

SR 99 over Branch is a concrete culvert carrying SR 99 over Branch in Limestone County, Alabama. It was built in 1965, so it is 60 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 10,640 vehicles a day, roughly 3% of them trucks, projected to reach 14,331 by 2033. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesSR 99

CrossesBranch

Location0.7 M W JCT SR 99 & SR 3

RouteState Highway 99

CountyLimestone County

StateAlabama

Coordinates34.8191, -86.9562

Functional classUrban Minor Arterial

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
Channel and channel protection	7 Good	Some minor problems.
Culvert	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionJune 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

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating37.1 US tons

Inventory rating22.3 US tons

Structure

Structure typeCulvert

MaterialConcrete

DeckNot applicable

Main spans2

Design loadH 15

Structure length21 ft (6.4 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 traffic10,640 (2024)

Projected traffic14,331 by 2033

Trucks3%

Lanes on structure4

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed3.1 mi (5 km)

TollOn a free road

National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency

Maintained byState 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$633,000 (2025 estimate)

NavigationNo navigation control on waterway

Frequently asked questions

When was SR 99 over Branch built?

It was built in 1965, making it 60 years old in 2025.

What condition is SR 99 over 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 June 2024.

How much traffic does SR 99 over Branch carry?

About 10,640 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is SR 99 over Branch?

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

Who owns SR 99 over Branch?

It is owned by the State Highway Agency.