US Bridges

SR1300 over I74 US311

Good

Guilford County, North Carolina · 1.1 Mi. E. Jct. SR1278 · Structure no. 000000000810840

Built
2000
25 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
247 ft
2 main spans
Daily traffic
9,700
2021 count
Owner
State
State Highway Agency

About this bridge

SR1300 over I74 US311 is a steel continuous stringer/multi-beam or girder carrying SR1300 over I74 US311 in Guilford County, North Carolina. It was built in 2000, so it is 25 years old, younger than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,700 vehicles a day, roughly 6% of them trucks, projected to reach 19,400 by 2040. The structure is 247 ft (75.2 m) long and 67 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1300
CrossesI74 US311
Location1.1 Mi. E. Jct. SR1278
RouteState Highway 1300
Coordinates35.95453, -79.97576
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating68.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length247 ft (75.2 m)
Longest span122 ft (37.1 m)
Deck width67 ft (20.4 m)
Roadway width64 ft (19.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,700 (2021)
Projected traffic19,400 by 2040
Trucks6%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed0.6 mi (1 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 SR1300 over I74 US311 built?

It was built in 2000, making it 25 years old in 2025.

What condition is SR1300 over I74 US311 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does SR1300 over I74 US311 carry?

About 9,700 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1300 over I74 US311?

The structure is 247 ft (75.2 m) long with a longest span of 122 ft (37.1 m) and a deck 67 ft wide.

Who owns SR1300 over I74 US311?

It is owned by the State Highway Agency.