US Bridges

S-22-302 over Trib-Midway Inlet

Fair

Georgetown County, South Carolina · Litchfield Beach · Structure no. 000000000008743

Built
1994
31 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
150 ft
5 main spans
Daily traffic
1,600
2023 count
Owner
State
State Highway Agency

About this bridge

S-22-302 over Trib-Midway Inlet is a concrete continuous slab carrying S-22-302 over Trib-Midway Inlet in Georgetown County, South Carolina. It was built in 1994, so it is 31 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 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 1,600 vehicles a day, roughly 6% of them trucks, projected to reach 1,456 by 2043. The structure is 150 ft (45.7 m) long and 40 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-22-302
CrossesTrib-Midway Inlet
LocationLitchfield Beach
RouteState Highway 302
Coordinates33.47079, -79.10163
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionMay 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length150 ft (45.7 m)
Longest span30 ft (9.1 m)
Deck width40 ft (12.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2023)
Projected traffic1,456 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-22-302 over Trib-Midway Inlet built?

It was built in 1994, making it 31 years old in 2025.

What condition is S-22-302 over Trib-Midway Inlet 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 May 2023.

How much traffic does S-22-302 over Trib-Midway Inlet carry?

About 1,600 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is S-22-302 over Trib-Midway Inlet?

The structure is 150 ft (45.7 m) long with a longest span of 30 ft (9.1 m) and a deck 40 ft wide.

Who owns S-22-302 over Trib-Midway Inlet?

It is owned by the State Highway Agency.