US Bridges

US 29 Bus over C.& NW RR & L-687

FairPosted for load

Anderson County, South Carolina · City of Anderson · Structure no. 000000000001005

Built
1940
85 years old, rebuilt 1955
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Other
Length
425 ft
12 main spans
Daily traffic
16,600
2023 count
Owner
State
State Highway Agency

About this bridge

US 29 Bus over C.& NW RR & L-687 is a other stringer/multi-beam or girder carrying US 29 Bus over C.& NW RR & L-687 in Anderson County, South Carolina. It was built in 1940 and reconstructed in 1955, 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 16,600 vehicles a day, roughly 3% of them trucks, projected to reach 20,584 by 2043. The structure is 425 ft (129.6 m) long and 64 ft wide.

Location

Open in Google Maps
CarriesUS 29 Bus
CrossesC.& NW RR & L-687
LocationCity of Anderson
RouteU.S. Route 29
CountyAnderson County
StateSouth Carolina
Coordinates34.50458, -82.65213
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating21.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialOther
DeckConcrete, cast-in-place
Main spans12
Design loadHS 15
Structure length425 ft (129.6 m)
Longest span43 ft (13 m)
Deck width64 ft (19.6 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic16,600 (2023)
Projected traffic20,584 by 2043
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed—
TollOn a free road
National Highway SystemYes

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$2.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 29 Bus over C.& NW RR & L-687 built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1955.

What condition is US 29 Bus over C.& NW RR & L-687 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 Bus over C.& NW RR & L-687 carry?

About 16,600 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is US 29 Bus over C.& NW RR & L-687?

The structure is 425 ft (129.6 m) long with a longest span of 43 ft (13 m) and a deck 64 ft wide.

Who owns US 29 Bus over C.& NW RR & L-687?

It is owned by the State Highway Agency.