US Bridges

S-22-307 over Br-Mingo Creek

Good

Georgetown County, South Carolina · 13MI NE Andrews · Structure no. 000000000009179

Built
1997
28 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
79 ft
3 main spans
Daily traffic
125
2023 count
Owner
State
State Highway Agency

About this bridge

S-22-307 over Br-Mingo Creek is a concrete continuous slab carrying S-22-307 over Br-Mingo Creek in Georgetown 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 125 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2043. The structure is 79 ft (24 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-22-307
CrossesBr-Mingo Creek
Location13MI NE Andrews
RouteState Highway 307
Coordinates33.59896, -79.39902
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length79 ft (24 m)
Longest span33 ft (10.1 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic160 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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-22-307 over Br-Mingo Creek built?

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

What condition is S-22-307 over Br-Mingo Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does S-22-307 over Br-Mingo Creek carry?

About 125 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-22-307 over Br-Mingo Creek?

The structure is 79 ft (24 m) long with a longest span of 33 ft (10.1 m) and a deck 36 ft wide.

Who owns S-22-307 over Br-Mingo Creek?

It is owned by the State Highway Agency.