US Bridges

SR2604 over I40

Good

Forsyth County, North Carolina · 0.5 Mi. S. Jct. NC66 · Structure no. 000000000670442

Built
1990
35 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
208 ft
4 main spans
Daily traffic
450
2019 count
Owner
State
State Highway Agency

About this bridge

SR2604 over I40 is a prestressed concrete stringer/multi-beam or girder carrying SR2604 over I40 in Forsyth County, North Carolina. It was built in 1990, so it is 35 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 450 vehicles a day, roughly 7% of them trucks, projected to reach 900 by 2040. The structure is 208 ft (63.3 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR2604
CrossesI40
Location0.5 Mi. S. Jct. NC66
RouteState Highway 2604
Coordinates36.08736, -80.05341
Functional classUrban Local

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 inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating40.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length208 ft (63.3 m)
Longest span62 ft (18.8 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2019)
Projected traffic900 by 2040
Trucks7%
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 SR2604 over I40 built?

It was built in 1990, making it 35 years old in 2025.

What condition is SR2604 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 July 2024.

How much traffic does SR2604 over I40 carry?

About 450 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is SR2604 over I40?

The structure is 208 ft (63.3 m) long with a longest span of 62 ft (18.8 m) and a deck 34 ft wide.

Who owns SR2604 over I40?

It is owned by the State Highway Agency.