US Bridges

SR1100 over Ut to Whiteoak Branch

Fair

Surry County, North Carolina · 0.4 MI.W.JCT.SR1101 · Structure no. 000000001710405

Built
1960
65 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
1,800
2022 count
Owner
State
State Highway Agency

About this bridge

SR1100 over Ut to Whiteoak Branch is a concrete continuous culvert carrying SR1100 over Ut to Whiteoak Branch in Surry County, North Carolina. It was built in 1960, so it is 65 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 1,800 vehicles a day, roughly 6% of them trucks, projected to reach 3,600 by 2040. The structure is 23 ft (7 m) long. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSR1100
CrossesUt to Whiteoak Branch
Location0.4 MI.W.JCT.SR1101
RouteState Highway 1100
Coordinates36.38186, -80.73852
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length23 ft (7 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2022)
Projected traffic3,600 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1100 over Ut to Whiteoak Branch built?

It was built in 1960, making it 65 years old in 2025.

What condition is SR1100 over Ut to Whiteoak Branch 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 November 2023.

How much traffic does SR1100 over Ut to Whiteoak Branch carry?

About 1,800 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1100 over Ut to Whiteoak Branch?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.3 m).

Who owns SR1100 over Ut to Whiteoak Branch?

It is owned by the State Highway Agency.