US Bridges

L-964 Alvamarie LN over Branch to Kingstree Cana

Poor

Williamsburg County, South Carolina · 6.0 MI NW Cades · Structure no. 000000000010993

Built
1961
64 years old
Condition
Poor
inspected January 2025
Type
Slab
Concrete
Length
30 ft
2 main spans
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

L-964 Alvamarie LN over Branch to Kingstree Cana is a concrete slab carrying L-964 Alvamarie LN over Branch to Kingstree Cana in Williamsburg County, South Carolina. It was built in 1961, so it is 64 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 200 vehicles a day, roughly 5% of them trucks, projected to reach 256 by 2043. The structure is 30 ft (9.1 m) long and 16 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesL-964 Alvamarie LN
CrossesBranch to Kingstree Cana
Location6.0 MI NW Cades
RouteCounty Highway 964
Coordinates33.8566, -79.84086
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating35.4 US tons
Inventory rating21.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 10
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width16 ft (5 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic256 by 2043
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was L-964 Alvamarie LN over Branch to Kingstree Cana built?

It was built in 1961, making it 64 years old in 2025.

What condition is L-964 Alvamarie LN over Branch to Kingstree Cana in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does L-964 Alvamarie LN over Branch to Kingstree Cana carry?

About 200 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is L-964 Alvamarie LN over Branch to Kingstree Cana?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 16 ft wide.

Who owns L-964 Alvamarie LN over Branch to Kingstree Cana?

It is owned by the County Highway Agency.