US Bridges

Ramp on I-26 WB over Montford Ave

Fair

Charleston County, South Carolina · In Charleston · Structure no. 000000000005235

Built
1968
57 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
325 ft
5 main spans
Daily traffic
5,500
2023 count
Owner
State
State Highway Agency

About this bridge

Ramp on I-26 WB over Montford Ave is a steel stringer/multi-beam or girder carrying Ramp on I-26 WB over Montford Ave in Charleston County, South Carolina. It was built in 1968, so it is 57 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.

It carries about 5,500 vehicles a day, roughly 9% of them trucks, projected to reach 12,815 by 2043. The structure is 325 ft (99.1 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRamp on I-26 WB
CrossesMontford Ave
LocationIn Charleston
RouteInterstate 26
CountyCharleston County
StateSouth Carolina
Coordinates32.81431, -79.95371
Functional classUrban Principal Arterial - Interstate

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.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating55 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length325 ft (99.1 m)
Longest span69 ft (20.9 m)
Deck width27 ft (8.1 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2023)
Projected traffic12,815 by 2043
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp on I-26 WB over Montford Ave built?

It was built in 1968, making it 57 years old in 2025.

What condition is Ramp on I-26 WB over Montford Ave 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 2024.

How much traffic does Ramp on I-26 WB over Montford Ave carry?

About 5,500 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Ramp on I-26 WB over Montford Ave?

The structure is 325 ft (99.1 m) long with a longest span of 69 ft (20.9 m) and a deck 27 ft wide.

Who owns Ramp on I-26 WB over Montford Ave?

It is owned by the State Highway Agency.