US Bridges

SR1120 over Little Snowbird Creek

Fair

Graham County, North Carolina · 50 FT.W.JCT.SR1115 · Structure no. 000000000750080

Built
1956
69 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
59 ft
1 main span
Daily traffic
410
2016 count
Owner
State
State Highway Agency

About this bridge

SR1120 over Little Snowbird Creek is a steel stringer/multi-beam or girder carrying SR1120 over Little Snowbird Creek in Graham County, North Carolina. It was built in 1956, so it is 69 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 410 vehicles a day, roughly 6% of them trucks, projected to reach 820 by 2040. The structure is 59 ft (17.9 m) long and 12 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSR1120
CrossesLittle Snowbird Creek
Location50 FT.W.JCT.SR1115
RouteState Highway 1120
CountyGraham County
StateNorth Carolina
Coordinates35.29652, -83.88523
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length59 ft (17.9 m)
Longest span20 ft (6 m)
Deck width12 ft (3.6 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic410 (2016)
Projected traffic820 by 2040
Trucks6%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Little Snowbird Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is SR1120 over Little Snowbird 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 May 2023.

How much traffic does SR1120 over Little Snowbird Creek carry?

About 410 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is SR1120 over Little Snowbird Creek?

The structure is 59 ft (17.9 m) long with a longest span of 20 ft (6 m) and a deck 12 ft wide.

Who owns SR1120 over Little Snowbird Creek?

It is owned by the State Highway Agency.