US Bridges

SR1107 over Chattooga River

Poor

Jackson County, North Carolina · 2.7 MI.S.JCT.NC107 · Structure no. 000000000990002

Built
1970
55 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
76 ft
3 main spans
Daily traffic
110
2017 count
Owner
State
State Highway Agency

About this bridge

SR1107 over Chattooga River is a steel stringer/multi-beam or girder carrying SR1107 over Chattooga River in Jackson County, North Carolina. It was built in 1970, so it is 55 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.

It carries about 110 vehicles a day, roughly 6% of them trucks, projected to reach 220 by 2040. The structure is 76 ft (23.1 m) long and 25 ft wide. If it were closed, the detour would be 20.5 mi (33 km).

CarriesSR1107
CrossesChattooga River
Location2.7 MI.S.JCT.NC107
RouteState Highway 1107
Coordinates35.07404, -83.10702
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans3
Design loadUnknown
Structure length76 ft (23.1 m)
Longest span35 ft (10.6 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2017)
Projected traffic220 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed20.5 mi (33 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 SR1107 over Chattooga River built?

It was built in 1970, making it 55 years old in 2025.

What condition is SR1107 over Chattooga River 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 November 2023.

How much traffic does SR1107 over Chattooga River carry?

About 110 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is SR1107 over Chattooga River?

The structure is 76 ft (23.1 m) long with a longest span of 35 ft (10.6 m) and a deck 25 ft wide.

Who owns SR1107 over Chattooga River?

It is owned by the State Highway Agency.