US Bridges

SR1720 over I-26 US19 23

FairPosted for load

Buncombe County, North Carolina · 0.65 MI.E.JCT.SR1740 · Structure no. 000000000210367

Built
1963
62 years old
Condition
Fair
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
218 ft
1 main span
Daily traffic
1,400
2014 count
Owner
State
State Highway Agency

About this bridge

SR1720 over I-26 US19 23 is a prestressed concrete box beam or girders - multiple carrying SR1720 over I-26 US19 23 in Buncombe County, North Carolina. It was built in 1963, so it is 62 years old, older than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,400 vehicles a day, roughly 7% of them trucks, projected to reach 2,800 by 2040. The structure is 218 ft (66.4 m) long and 28 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesSR1720
CrossesI-26 US19 23
Location0.65 MI.E.JCT.SR1740
RouteState Highway 1720
CountyBuncombe County
StateNorth Carolina
Coordinates35.68396, -82.58059
Functional classUrban Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating25.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadH 15
Structure length218 ft (66.4 m)
Longest span62 ft (18.8 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2014)
Projected traffic2,800 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1720 over I-26 US19 23 built?

It was built in 1963, making it 62 years old in 2025.

What condition is SR1720 over I-26 US19 23 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 February 2025.

How much traffic does SR1720 over I-26 US19 23 carry?

About 1,400 vehicles per day (2014 count), of which roughly 7% are trucks.

How long is SR1720 over I-26 US19 23?

The structure is 218 ft (66.4 m) long with a longest span of 62 ft (18.8 m) and a deck 28 ft wide.

Who owns SR1720 over I-26 US19 23?

It is owned by the State Highway Agency.