US Bridges

S-10-54/CHISOLM RD over Tidal Creek

FairPosted for load

Charleston County, South Carolina · 8.8 MI W Charleston · Structure no. 000000000008721

Built
1960
65 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
42 ft
3 main spans
Daily traffic
600
2023 count
Owner
State
State Highway Agency

About this bridge

S-10-54/CHISOLM RD over Tidal Creek is a concrete slab carrying S-10-54/CHISOLM RD over Tidal Creek in Charleston County, South Carolina. It was built in 1960, so it is 65 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 600 vehicles a day, roughly 10% of them trucks, projected to reach 606 by 2043. The structure is 42 ft (12.8 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesS-10-54/CHISOLM RD
CrossesTidal Creek
Location8.8 MI W Charleston
RouteState Highway 54
CountyCharleston County
StateSouth Carolina
Coordinates32.72599, -80.16148
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.
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.1 US tons
Inventory rating18.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length42 ft (12.8 m)
Longest span14 ft (4.3 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2023)
Projected traffic606 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$297,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-10-54/CHISOLM RD over Tidal Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is S-10-54/CHISOLM RD over Tidal 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 June 2023.

How much traffic does S-10-54/CHISOLM RD over Tidal Creek carry?

About 600 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S-10-54/CHISOLM RD over Tidal Creek?

The structure is 42 ft (12.8 m) long with a longest span of 14 ft (4.3 m) and a deck 28 ft wide.

Who owns S-10-54/CHISOLM RD over Tidal Creek?

It is owned by the State Highway Agency.