US Bridges

SR1546 over I40

Good

Guilford County, North Carolina · 1.38 Mi. S.Of Jct. SR1008 · Structure no. 000000000810198

Built
2000
25 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
227 ft
2 main spans
Daily traffic
19,000
2022 count
Owner
State
State Highway Agency

About this bridge

SR1546 over I40 is a steel continuous stringer/multi-beam or girder carrying SR1546 over I40 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 19,000 vehicles a day, roughly 6% of them trucks, projected to reach 38,000 by 2040. The structure is 227 ft (69.1 m) long and 78 ft wide.

CarriesSR1546
CrossesI40
Location1.38 Mi. S.Of Jct. SR1008
RouteState Highway 1546
Coordinates36.06244, -79.90773
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.
Superstructure7 GoodSome minor problems.
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating86 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length227 ft (69.1 m)
Longest span112 ft (34.1 m)
Deck width78 ft (23.9 m)
Roadway width71 ft (21.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,000 (2022)
Projected traffic38,000 by 2040
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 SR1546 over I40 built?

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

What condition is SR1546 over I40 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 SR1546 over I40 carry?

About 19,000 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1546 over I40?

The structure is 227 ft (69.1 m) long with a longest span of 112 ft (34.1 m) and a deck 78 ft wide.

Who owns SR1546 over I40?

It is owned by the State Highway Agency.