US Bridges

SR1121 over Snow Creek

Fair

Surry County, North Carolina · 50 FT.W.JCT.SR1112 · Structure no. 000000001710009

Built
1983
42 years old
Condition
Fair
inspected December 2023
Type
Slab
Prestressed Concrete
Length
123 ft
3 main spans
Daily traffic
1,200
2019 count
Owner
State
State Highway Agency

About this bridge

SR1121 over Snow Creek is a prestressed concrete slab carrying SR1121 over Snow Creek in Surry County, North Carolina. It was built in 1983, so it is 42 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.

It carries about 1,200 vehicles a day, roughly 6% of them trucks, projected to reach 2,400 by 2040. The structure is 123 ft (37.4 m) long and 27 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1121
CrossesSnow Creek
Location50 FT.W.JCT.SR1112
RouteState Highway 1121
Coordinates36.30151, -80.76795
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length123 ft (37.4 m)
Longest span39 ft (11.8 m)
Deck width27 ft (8.2 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2019)
Projected traffic2,400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 SR1121 over Snow Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is SR1121 over Snow 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 SR1121 over Snow Creek carry?

About 1,200 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1121 over Snow Creek?

The structure is 123 ft (37.4 m) long with a longest span of 39 ft (11.8 m) and a deck 27 ft wide.

Who owns SR1121 over Snow Creek?

It is owned by the State Highway Agency.