US Bridges

S-7-59 over Field Creek

Fair

Beaufort County, South Carolina · 11 MI NW Beaufort · Structure no. 000000000009133

Built
1997
28 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
425
2023 count
Owner
State
State Highway Agency

About this bridge

S-7-59 over Field Creek is a concrete continuous slab carrying S-7-59 over Field Creek in Beaufort County, South Carolina. It was built in 1997, so it is 28 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 425 vehicles a day, roughly 8% of them trucks, projected to reach 591 by 2043. The structure is 90 ft (27.4 m) long and 37 ft wide.

CarriesS-7-59
CrossesField Creek
Location11 MI NW Beaufort
RouteState Highway 59
Coordinates32.57251, -80.78707
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.7 US tons
Inventory rating46.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (2023)
Projected traffic591 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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-7-59 over Field Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is S-7-59 over Field 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 August 2023.

How much traffic does S-7-59 over Field Creek carry?

About 425 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is S-7-59 over Field Creek?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 37 ft wide.

Who owns S-7-59 over Field Creek?

It is owned by the State Highway Agency.