US Bridges

SR1497 over I40

Fair

Wake County, North Carolina · 1.0 Mi.S.Jct. SR1011 · Structure no. 000000001830580

Built
1981
44 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
268 ft
2 main spans
Daily traffic
8,750
2021 count
Owner
State
State Highway Agency

About this bridge

SR1497 over I40 is a steel stringer/multi-beam or girder carrying SR1497 over I40 in Wake County, North Carolina. It was built in 1981, so it is 44 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 6 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 8,750 vehicles a day, roughly 6% of them trucks, projected to reach 17,500 by 2040. The structure is 268 ft (81.6 m) long and 58 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR1497
CrossesI40
Location1.0 Mi.S.Jct. SR1011
RouteState Highway 1497
CountyWake County
StateNorth Carolina
Coordinates35.78027, -78.74881
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating80.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length268 ft (81.6 m)
Longest span137 ft (41.7 m)
Deck width58 ft (17.8 m)
Roadway width55 ft (16.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,750 (2021)
Projected traffic17,500 by 2040
Trucks6%
Lanes on structure3
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1497 over I40 built?

It was built in 1981, making it 44 years old in 2025.

What condition is SR1497 over I40 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 November 2023.

How much traffic does SR1497 over I40 carry?

About 8,750 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1497 over I40?

The structure is 268 ft (81.6 m) long with a longest span of 137 ft (41.7 m) and a deck 58 ft wide.

Who owns SR1497 over I40?

It is owned by the State Highway Agency.