US Bridges

US311 NC135 over US220

Fair

Rockingham County, North Carolina · 0.20 Mi. E. Jct. SR2177 · Structure no. 000000001570074

Built
1960
65 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
209 ft
4 main spans
Daily traffic
15,500
2021 count
Owner
State
State Highway Agency

About this bridge

US311 NC135 over US220 is a prestressed concrete stringer/multi-beam or girder carrying US311 NC135 over US220 in Rockingham 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 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 15,500 vehicles a day, roughly 8% of them trucks, projected to reach 31,000 by 2040. The structure is 209 ft (63.7 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS311 NC135
CrossesUS220
Location0.20 Mi. E. Jct. SR2177
RouteU.S. Route 311
Coordinates36.41678, -79.93806
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.9 US tons
Inventory rating47 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length209 ft (63.7 m)
Longest span55 ft (16.7 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,500 (2021)
Projected traffic31,000 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US311 NC135 over US220 built?

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

What condition is US311 NC135 over US220 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 September 2023.

How much traffic does US311 NC135 over US220 carry?

About 15,500 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is US311 NC135 over US220?

The structure is 209 ft (63.7 m) long with a longest span of 55 ft (16.7 m) and a deck 31 ft wide.

Who owns US311 NC135 over US220?

It is owned by the State Highway Agency.