US Bridges

US 29 SB over Norfolk Southern RR

Fair

Spartanburg County, South Carolina · Town of Lyman · Structure no. 000000000001227

Built
1941
84 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
146 ft
3 main spans
Daily traffic
13,150
2023 count
Owner
State
State Highway Agency

About this bridge

US 29 SB over Norfolk Southern RR is a steel continuous stringer/multi-beam or girder carrying US 29 SB over Norfolk Southern RR in Spartanburg County, South Carolina. It was built in 1941, so it is 84 years old, older than the South Carolina average of 48 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 13,150 vehicles a day, roughly 6% of them trucks, projected to reach 26,169 by 2043. The structure is 146 ft (44.5 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 29 SB
CrossesNorfolk Southern RR
LocationTown of Lyman
RouteU.S. Route 29
CountySpartanburg County
StateSouth Carolina
Coordinates34.95572, -82.12609
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating33.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length146 ft (44.5 m)
Longest span56 ft (17.1 m)
Deck width31 ft (9.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,150 (2023)
Projected traffic26,169 by 2043
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$606,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 29 SB over Norfolk Southern RR built?

It was built in 1941, making it 84 years old in 2025.

What condition is US 29 SB over Norfolk Southern RR 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 December 2023.

How much traffic does US 29 SB over Norfolk Southern RR carry?

About 13,150 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is US 29 SB over Norfolk Southern RR?

The structure is 146 ft (44.5 m) long with a longest span of 56 ft (17.1 m) and a deck 31 ft wide.

Who owns US 29 SB over Norfolk Southern RR?

It is owned by the State Highway Agency.