US Bridges

SR1764 over Johnson Ditch

Good

Henderson County, North Carolina · .3 MI.E.JCT.US25N · Structure no. 000000000890206

Built
2007
18 years old
Condition
Good
inspected July 2021
Type
Slab
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
8,500
2014 count
Owner
State
State Highway Agency

About this bridge

SR1764 over Johnson Ditch is a prestressed concrete slab carrying SR1764 over Johnson Ditch in Henderson County, North Carolina. It was built in 2007, so it is 18 years old, younger than the North Carolina average of 38.7 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 8,500 vehicles a day, roughly 7% of them trucks, projected to reach 17,000 by 2040. The structure is 57 ft (17.3 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1764
CrossesJohnson Ditch
Location.3 MI.E.JCT.US25N
RouteState Highway 1764
Coordinates35.31081, -82.45485
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length57 ft (17.3 m)
Longest span54 ft (16.4 m)
Deck width42 ft (12.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (2014)
Projected traffic17,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 SR1764 over Johnson Ditch built?

It was built in 2007, making it 18 years old in 2025.

What condition is SR1764 over Johnson Ditch 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 July 2021.

How much traffic does SR1764 over Johnson Ditch carry?

About 8,500 vehicles per day (2014 count), of which roughly 7% are trucks.

How long is SR1764 over Johnson Ditch?

The structure is 57 ft (17.3 m) long with a longest span of 54 ft (16.4 m) and a deck 42 ft wide.

Who owns SR1764 over Johnson Ditch?

It is owned by the State Highway Agency.