US Bridges

SR1603 over White Oak Creek

Fair

Wake County, North Carolina · 0.82 Mi.N.Jct. SR1601 · Structure no. 000000001830053

Built
1994
31 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
58 ft
4 main spans
Daily traffic
880
2015 count
Owner
State
State Highway Agency

About this bridge

SR1603 over White Oak Creek is a concrete continuous culvert carrying SR1603 over White Oak Creek in Wake County, North Carolina. It was built in 1994, so it is 31 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 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 880 vehicles a day, roughly 7% of them trucks, projected to reach 1,760 by 2040. The structure is 58 ft (17.6 m) long. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSR1603
CrossesWhite Oak Creek
Location0.82 Mi.N.Jct. SR1601
RouteState Highway 1603
Coordinates35.76019, -78.92027
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating32 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length58 ft (17.6 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic880 (2015)
Projected traffic1,760 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1603 over White Oak Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is SR1603 over White Oak Creek 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 August 2023.

How much traffic does SR1603 over White Oak Creek carry?

About 880 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is SR1603 over White Oak Creek?

The structure is 58 ft (17.6 m) long with a longest span of 14 ft (4.2 m).

Who owns SR1603 over White Oak Creek?

It is owned by the State Highway Agency.