US Bridges

S-31-102 over Canal #1

Fair

Lee County, South Carolina · 2 MI W of Lynchburg · Structure no. 000000000005981

Built
1971
54 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
30 ft
2 main spans
Daily traffic
475
2023 count
Owner
State
State Highway Agency

About this bridge

S-31-102 over Canal #1 is a concrete slab carrying S-31-102 over Canal #1 in Lee County, South Carolina. It was built in 1971, so it is 54 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 475 vehicles a day, roughly 8% of them trucks, projected to reach 694 by 2043. The structure is 30 ft (9.1 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesS-31-102
CrossesCanal #1
Location2 MI W of Lynchburg
RouteState Highway 102
CountyLee County
StateSouth Carolina
Coordinates34.05164, -80.10677
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.3 US tons
Inventory rating22.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic475 (2023)
Projected traffic694 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-31-102 over Canal #1 built?

It was built in 1971, making it 54 years old in 2025.

What condition is S-31-102 over Canal #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 July 2023.

How much traffic does S-31-102 over Canal #1 carry?

About 475 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is S-31-102 over Canal #1?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 32 ft wide.

Who owns S-31-102 over Canal #1?

It is owned by the State Highway Agency.