US Bridges

S-1426 over Long Branch

PoorClosed to traffic

Orangeburg County, South Carolina · 6.0 MI W NORTH_(OC-1426) · Structure no. 000000000006915

Built
1976
49 years old
Condition
Poor
inspected August 2024
Type
Girder and Floorbeam System
Steel
Length
42 ft
1 main span
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

S-1426 over Long Branch is a steel girder and floorbeam system carrying S-1426 over Long Branch in Orangeburg County, South Carolina. It was built in 1976, so it is 49 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 0 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. Its operating status is: closed to all traffic.

It carries about 200 vehicles a day, roughly 5% of them trucks, projected to reach 256 by 2043. The structure is 42 ft (12.8 m) long and 17 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-1426
CrossesLong Branch
Location6.0 MI W NORTH_(OC-1426)
RouteCounty Highway 421
Coordinates33.58699, -81.00362
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure0 FailedOut of service and beyond corrective action.
Channel and channel protection0 FailedOut of service and beyond corrective action.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry0: Immediate repair necessary to put back in service
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating6.8 US tons
Inventory rating4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length42 ft (12.8 m)
Longest span37 ft (11.3 m)
Deck width17 ft (5.3 m)
Roadway width17 ft (5.3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$258,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-1426 over Long Branch built?

It was built in 1976, making it 49 years old in 2025.

What condition is S-1426 over Long Branch 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 August 2024.

How much traffic does S-1426 over Long Branch carry?

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

How long is S-1426 over Long Branch?

The structure is 42 ft (12.8 m) long with a longest span of 37 ft (11.3 m) and a deck 17 ft wide.

Who owns S-1426 over Long Branch?

It is owned by the County Highway Agency.