US Bridges

SR1160 over West Buffalo Creek

Fair

Graham County, North Carolina · .6 MI.S.JCT.SR1123 · Structure no. 000000000750143

Built
1997
28 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
2 main spans
Daily traffic
200
2021 count
Owner
State
State Highway Agency

About this bridge

SR1160 over West Buffalo Creek is a steel stringer/multi-beam or girder carrying SR1160 over West Buffalo Creek in Graham County, North Carolina. It was built in 1997, so it is 28 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 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 200 vehicles a day, roughly 6% of them trucks, projected to reach 400 by 2040. The structure is 80 ft (24.3 m) long and 25 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSR1160
CrossesWest Buffalo Creek
Location.6 MI.S.JCT.SR1123
RouteState Highway 1160
CountyGraham County
StateNorth Carolina
Coordinates35.30342, -83.91246
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.
Substructure7 GoodSome minor problems.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length80 ft (24.3 m)
Longest span39 ft (11.8 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2021)
Projected traffic400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1160 over West Buffalo Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is SR1160 over West Buffalo 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 SR1160 over West Buffalo Creek carry?

About 200 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1160 over West Buffalo Creek?

The structure is 80 ft (24.3 m) long with a longest span of 39 ft (11.8 m) and a deck 25 ft wide.

Who owns SR1160 over West Buffalo Creek?

It is owned by the State Highway Agency.