US Bridges

US311 over Ut to Dan River

Fair

Stokes County, North Carolina · 50 Ft. N. Jct. SR1917 · Structure no. 000000001690025

Built
1926
99 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
3,600
2022 count
Owner
State
State Highway Agency

About this bridge

US311 over Ut to Dan River is a concrete continuous culvert carrying US311 over Ut to Dan River in Stokes County, North Carolina. It was built in 1926, so it is 99 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 3,600 vehicles a day, roughly 8% of them trucks, projected to reach 7,200 by 2040. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesUS311
CrossesUt to Dan River
Location50 Ft. N. Jct. SR1917
RouteU.S. Route 311
Coordinates36.31914, -80.10671
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.9 US tons
Inventory rating39.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 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 traffic3,600 (2022)
Projected traffic7,200 by 2040
Trucks8%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US311 over Ut to Dan River built?

It was built in 1926, making it 99 years old in 2025.

What condition is US311 over Ut to Dan River 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 2024.

How much traffic does US311 over Ut to Dan River carry?

About 3,600 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is US311 over Ut to Dan River?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns US311 over Ut to Dan River?

It is owned by the State Highway Agency.