US Bridges

US 17 NB over Tea Farm Creek

Good

Charleston County, South Carolina · 3.6 MI NE Ravenel · Structure no. 000000000009558

Built
2001
24 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
11,200
2023 count
Owner
State
State Highway Agency

About this bridge

US 17 NB over Tea Farm Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US 17 NB over Tea Farm Creek in Charleston County, South Carolina. It was built in 2001, so it is 24 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,200 vehicles a day, roughly 10% of them trucks, projected to reach 19,488 by 2043. The structure is 100 ft (30.5 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 17 NB
CrossesTea Farm Creek
Location3.6 MI NE Ravenel
RouteU.S. Route 17
Coordinates32.78005, -80.18095
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.7 US tons
Inventory rating47.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length100 ft (30.5 m)
Longest span40 ft (12.2 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,200 (2023)
Projected traffic19,488 by 2043
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 17 NB over Tea Farm Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is US 17 NB over Tea Farm 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 June 2024.

How much traffic does US 17 NB over Tea Farm Creek carry?

About 11,200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is US 17 NB over Tea Farm Creek?

The structure is 100 ft (30.5 m) long with a longest span of 40 ft (12.2 m) and a deck 47 ft wide.

Who owns US 17 NB over Tea Farm Creek?

It is owned by the State Highway Agency.