US Bridges

SR1103 over Whiteoak Branch

Poor

Surry County, North Carolina · .3 MI.N.JCT.SR1104 · Structure no. 000000001710262

Built
1983
42 years old
Condition
Poor
inspected December 2023
Type
Culvert
Steel
Length
23 ft
2 main spans
Daily traffic
140
1998 count
Owner
State
State Highway Agency

About this bridge

SR1103 over Whiteoak Branch is a steel culvert carrying SR1103 over Whiteoak Branch 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 140 vehicles a day, roughly 6% of them trucks, projected to reach 280 by 2040. The structure is 23 ft (7 m) long. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesSR1103
CrossesWhiteoak Branch
Location.3 MI.N.JCT.SR1104
RouteState Highway 1103
CountySurry County
StateNorth Carolina
Coordinates36.36427, -80.73132
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (1998)
Projected traffic280 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 SR1103 over Whiteoak Branch built?

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

What condition is SR1103 over Whiteoak Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2023.

How much traffic does SR1103 over Whiteoak Branch carry?

About 140 vehicles per day (1998 count), of which roughly 6% are trucks.

How long is SR1103 over Whiteoak Branch?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns SR1103 over Whiteoak Branch?

It is owned by the State Highway Agency.