US Bridges

L-1526 EB over Tidal Marsh

Good

Beaufort County, South Carolina · 4 SE of Bluffton · Structure no. 000000000010063

Built
2016
9 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,365 ft
3 main spans
Daily traffic
9,550
2023 count
Owner
County
County Highway Agency

About this bridge

L-1526 EB over Tidal Marsh is a steel continuous stringer/multi-beam or girder carrying L-1526 EB over Tidal Marsh in Beaufort County, South Carolina. It was built in 2016, so it is 9 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 9,550 vehicles a day, roughly 2% of them trucks, projected to reach 10,696 by 2043. The structure is 1,365 ft (416.1 m) long and 39 ft wide.

CarriesL-1526 EB
CrossesTidal Marsh
Location4 SE of Bluffton
RouteCounty Highway 1526
Coordinates32.23413, -80.80236
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating31.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+14 approach)
Design loadHL 93
Structure length1,365 ft (416.1 m)
Longest span175 ft (53.3 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,550 (2023)
Projected traffic10,696 by 2043
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 L-1526 EB over Tidal Marsh built?

It was built in 2016, making it 9 years old in 2025.

What condition is L-1526 EB over Tidal Marsh 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 August 2023.

How much traffic does L-1526 EB over Tidal Marsh carry?

About 9,550 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is L-1526 EB over Tidal Marsh?

The structure is 1,365 ft (416.1 m) long with a longest span of 175 ft (53.3 m) and a deck 39 ft wide.

Who owns L-1526 EB over Tidal Marsh?

It is owned by the County Highway Agency.