US Bridges

Sc 34 over Welch Branch

Good

Newberry County, South Carolina · 4.9 MI SW Newberry · Structure no. 000000000001101

Built
1940
85 years old, rebuilt 1954
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
4,900
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 34 over Welch Branch is a concrete culvert carrying Sc 34 over Welch Branch in Newberry County, South Carolina. It was built in 1940 and reconstructed in 1954, so it is 85 years old, older than the South Carolina average of 48 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 4,900 vehicles a day, roughly 23% of them trucks, projected to reach 7,791 by 2043. The structure is 27 ft (8.2 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSc 34
CrossesWelch Branch
Location4.9 MI SW Newberry
RouteState Highway 34
Coordinates34.2227, -81.67607
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width59 ft (18 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,900 (2023)
Projected traffic7,791 by 2043
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 34 over Welch Branch built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1954.

What condition is Sc 34 over Welch Branch 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 July 2024.

How much traffic does Sc 34 over Welch Branch carry?

About 4,900 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is Sc 34 over Welch Branch?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m) and a deck 59 ft wide.

Who owns Sc 34 over Welch Branch?

It is owned by the State Highway Agency.