US Bridges

SR1705 over Dark Ridge Creek

PoorPosted for load

Jackson County, North Carolina · 0.6 MI.N.JCT.SR1706 · Structure no. 000000000990143

Built
1961
64 years old
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
1 main span
Daily traffic
330
2015 count
Owner
State
State Highway Agency

About this bridge

SR1705 over Dark Ridge Creek is a steel stringer/multi-beam or girder carrying SR1705 over Dark Ridge Creek in Jackson County, North Carolina. It was built in 1961, so it is 64 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: posted for load restriction.

It carries about 330 vehicles a day, roughly 6% of them trucks, projected to reach 660 by 2040. The structure is 46 ft (14 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR1705
CrossesDark Ridge Creek
Location0.6 MI.N.JCT.SR1706
RouteState Highway 1705
Coordinates35.40552, -83.11216
Functional classRural Local

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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15 US tons
Inventory rating8.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length46 ft (14 m)
Longest span44 ft (13.4 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2015)
Projected traffic660 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1705 over Dark Ridge Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is SR1705 over Dark Ridge Creek 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 January 2024.

How much traffic does SR1705 over Dark Ridge Creek carry?

About 330 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR1705 over Dark Ridge Creek?

The structure is 46 ft (14 m) long with a longest span of 44 ft (13.4 m) and a deck 20 ft wide.

Who owns SR1705 over Dark Ridge Creek?

It is owned by the State Highway Agency.