US Bridges

SR1798 over Big Creek

Fair

Surry County, North Carolina · .4 MI.N.JCT.SR1802 · Structure no. 000000001710098

Built
1961
64 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
48 ft
1 main span
Daily traffic
200
1996 count
Owner
State
State Highway Agency

About this bridge

SR1798 over Big Creek is a steel stringer/multi-beam or girder carrying SR1798 over Big Creek in Surry County, North Carolina. It was built in 1961, so it is 64 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 200 vehicles a day, roughly 6% of them trucks, projected to reach 400 by 2040. The structure is 48 ft (14.6 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1798
CrossesBig Creek
Location.4 MI.N.JCT.SR1802
RouteState Highway 1798
Coordinates36.50273, -80.45039
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
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 rating59 US tons
Inventory rating34.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length48 ft (14.6 m)
Longest span44 ft (13.4 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (1996)
Projected traffic400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 SR1798 over Big Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is SR1798 over Big 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 August 2023.

How much traffic does SR1798 over Big Creek carry?

About 200 vehicles per day (1996 count), of which roughly 6% are trucks.

How long is SR1798 over Big Creek?

The structure is 48 ft (14.6 m) long with a longest span of 44 ft (13.4 m) and a deck 25 ft wide.

Who owns SR1798 over Big Creek?

It is owned by the State Highway Agency.