US Bridges

SR1620 over French Broad Rvr.So.Rr

Poor

Buncombe County, North Carolina · .01 MI.W.JCT.NC.251 · Structure no. 000000000210007

Built
1968
57 years old
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
486 ft
7 main spans
Daily traffic
4,400
2022 count
Owner
State
State Highway Agency

About this bridge

SR1620 over French Broad Rvr.So.Rr is a steel stringer/multi-beam or girder carrying SR1620 over French Broad Rvr.So.Rr in Buncombe County, North Carolina. It was built in 1968, so it is 57 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 4,400 vehicles a day, roughly 7% of them trucks, projected to reach 8,800 by 2040. The structure is 486 ft (148.1 m) long and 36 ft wide. If it were closed, the detour would be 13.7 mi (22 km).

CarriesSR1620
CrossesFrench Broad Rvr.So.Rr
Location.01 MI.W.JCT.NC.251
RouteState Highway 1620
Coordinates35.70875, -82.62214
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.9 US tons
Inventory rating30 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadHS 15
Structure length486 ft (148.1 m)
Longest span79 ft (24 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,400 (2022)
Projected traffic8,800 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed13.7 mi (22 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 SR1620 over French Broad Rvr.So.Rr built?

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

What condition is SR1620 over French Broad Rvr.So.Rr in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does SR1620 over French Broad Rvr.So.Rr carry?

About 4,400 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR1620 over French Broad Rvr.So.Rr?

The structure is 486 ft (148.1 m) long with a longest span of 79 ft (24 m) and a deck 36 ft wide.

Who owns SR1620 over French Broad Rvr.So.Rr?

It is owned by the State Highway Agency.