US Bridges

SR1120 over Glassy Rock Creek

FairPosted for load

Jackson County, North Carolina · 0.1 MI.E.JCT.SR1122 · Structure no. 000000000990010

Built
1962
63 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
800
2022 count
Owner
State
State Highway Agency

About this bridge

SR1120 over Glassy Rock Creek is a steel stringer/multi-beam or girder carrying SR1120 over Glassy Rock Creek in Jackson County, North Carolina. It was built in 1962, so it is 63 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 800 vehicles a day, roughly 6% of them trucks, projected to reach 1,600 by 2040. The structure is 26 ft (7.9 m) long and 20 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSR1120
CrossesGlassy Rock Creek
Location0.1 MI.E.JCT.SR1122
RouteState Highway 1120
Coordinates35.15679, -83.09729
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22.9 US tons
Inventory rating14 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2022)
Projected traffic1,600 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 SR1120 over Glassy Rock Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is SR1120 over Glassy Rock Creek 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 2023.

How much traffic does SR1120 over Glassy Rock Creek carry?

About 800 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1120 over Glassy Rock Creek?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 20 ft wide.

Who owns SR1120 over Glassy Rock Creek?

It is owned by the State Highway Agency.