US Bridges

SR1630 over Kit Creek

PoorPosted for load

Wake County, North Carolina · 1.8MI.N.JCT.NC55 · Structure no. 000000001830061

Built
1975
50 years old
Condition
Poor
inspected September 2023
Type
Channel Beam
Prestressed Concrete
Length
91 ft
3 main spans
Daily traffic
12,500
2019 count
Owner
State
State Highway Agency

About this bridge

SR1630 over Kit Creek is a prestressed concrete channel beam carrying SR1630 over Kit Creek in Wake County, North Carolina. It was built in 1975, so it is 50 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 12,500 vehicles a day, roughly 7% of them trucks, projected to reach 25,000 by 2040. The structure is 91 ft (27.7 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1630
CrossesKit Creek
Location1.8MI.N.JCT.NC55
RouteState Highway 1630
Coordinates35.85238, -78.8998
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.9 US tons
Inventory rating3 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length91 ft (27.7 m)
Longest span30 ft (9.1 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,500 (2019)
Projected traffic25,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1630 over Kit Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is SR1630 over Kit Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

How much traffic does SR1630 over Kit Creek carry?

About 12,500 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is SR1630 over Kit Creek?

The structure is 91 ft (27.7 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.

Who owns SR1630 over Kit Creek?

It is owned by the State Highway Agency.