US Bridges

Sc 20 over P and N RR (no. 1)

Fair

Anderson County, South Carolina · 1.3 MI N of Belton · Structure no. 000000000001006

Built
1940
85 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
111 ft
3 main spans
Daily traffic
7,300
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 20 over P and N RR (no. 1) is a steel stringer/multi-beam or girder carrying Sc 20 over P and N RR (no. 1) in Anderson County, South Carolina. It was built in 1940, 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.

It carries about 7,300 vehicles a day, roughly 12% of them trucks, projected to reach 8,030 by 2043. The structure is 111 ft (33.8 m) long and 40 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSc 20
CrossesP and N RR (no. 1)
Location1.3 MI N of Belton
RouteState Highway 20
CountyAnderson County
StateSouth Carolina
Coordinates34.54111, -82.49489
Functional classUrban Minor 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.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating53.2 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length111 ft (33.8 m)
Longest span37 ft (11.4 m)
Deck width40 ft (12.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,300 (2023)
Projected traffic8,030 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$261,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sc 20 over P and N RR (no. 1) built?

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

What condition is Sc 20 over P and N RR (no. 1) 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 Sc 20 over P and N RR (no. 1) carry?

About 7,300 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Sc 20 over P and N RR (no. 1)?

The structure is 111 ft (33.8 m) long with a longest span of 37 ft (11.4 m) and a deck 40 ft wide.

Who owns Sc 20 over P and N RR (no. 1)?

It is owned by the State Highway Agency.