US Bridges

S-13-23 over Big Westfield Creek

Fair

Chesterfield County, South Carolina · 7.0 MI NE Chesterfield · Structure no. 000000000008334

Built
1990
35 years old
Condition
Fair
inspected November 2024
Type
Slab
Prestressed Concrete
Length
60 ft
2 main spans
Daily traffic
650
2023 count
Owner
State
State Highway Agency

About this bridge

S-13-23 over Big Westfield Creek is a prestressed concrete slab carrying S-13-23 over Big Westfield Creek in Chesterfield County, South Carolina. It was built in 1990, so it is 35 years old, younger 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 650 vehicles a day, roughly 10% of them trucks, projected to reach 949 by 2043. The structure is 60 ft (18.3 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-13-23
CrossesBig Westfield Creek
Location7.0 MI NE Chesterfield
RouteState Highway 23
Coordinates34.80371, -80.00012
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2023)
Projected traffic949 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-13-23 over Big Westfield Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is S-13-23 over Big Westfield Creek 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 November 2024.

How much traffic does S-13-23 over Big Westfield Creek carry?

About 650 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S-13-23 over Big Westfield Creek?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 36 ft wide.

Who owns S-13-23 over Big Westfield Creek?

It is owned by the State Highway Agency.