US Bridges

SR1007 over I85 US421

Good

Guilford County, North Carolina · 0.7 Mi. S. Jct. SR3300 · Structure no. 000000000810804

Built
2003
22 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
270 ft
2 main spans
Daily traffic
8,200
2021 count
Owner
State
State Highway Agency

About this bridge

SR1007 over I85 US421 is a steel continuous stringer/multi-beam or girder carrying SR1007 over I85 US421 in Guilford County, North Carolina. It was built in 2003, so it is 22 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 8,200 vehicles a day, roughly 6% of them trucks, projected to reach 16,400 by 2040. The structure is 270 ft (82.2 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1007
CrossesI85 US421
Location0.7 Mi. S. Jct. SR3300
RouteState Highway 1007
Coordinates36.00026, -79.80565
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.9 US tons
Inventory rating57 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length270 ft (82.2 m)
Longest span133 ft (40.5 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,200 (2021)
Projected traffic16,400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1007 over I85 US421 built?

It was built in 2003, making it 22 years old in 2025.

What condition is SR1007 over I85 US421 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 October 2023.

How much traffic does SR1007 over I85 US421 carry?

About 8,200 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1007 over I85 US421?

The structure is 270 ft (82.2 m) long with a longest span of 133 ft (40.5 m) and a deck 42 ft wide.

Who owns SR1007 over I85 US421?

It is owned by the State Highway Agency.