US Bridges

SR1661 over Reason Branch

Fair

Union County, North Carolina · 0.3 Mi. S. Jct. NC200 · Structure no. 000000001790337

Built
1984
41 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
820
2016 count
Owner
State
State Highway Agency

About this bridge

SR1661 over Reason Branch is a steel stringer/multi-beam or girder carrying SR1661 over Reason Branch in Union County, North Carolina. It was built in 1984, so it is 41 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.

It carries about 820 vehicles a day, roughly 6% of them trucks, projected to reach 1,640 by 2040. The structure is 41 ft (12.4 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR1661
CrossesReason Branch
Location0.3 Mi. S. Jct. NC200
RouteState Highway 1661
CountyUnion County
StateNorth Carolina
Coordinates35.15956, -80.3951
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating50.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length41 ft (12.4 m)
Longest span39 ft (11.8 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic820 (2016)
Projected traffic1,640 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1661 over Reason Branch built?

It was built in 1984, making it 41 years old in 2025.

What condition is SR1661 over Reason Branch 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 December 2024.

How much traffic does SR1661 over Reason Branch carry?

About 820 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is SR1661 over Reason Branch?

The structure is 41 ft (12.4 m) long with a longest span of 39 ft (11.8 m) and a deck 25 ft wide.

Who owns SR1661 over Reason Branch?

It is owned by the State Highway Agency.