US Bridges

SR1633 over CSX R.R.

FairPosted for load

Wake County, North Carolina · 0.1 Mi. E. Jct. NC55 · Structure no. 000000001830449

Built
1951
74 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
106 ft
3 main spans
Daily traffic
2,400
2015 count
Owner
State
State Highway Agency

About this bridge

SR1633 over CSX R.R. is a steel stringer/multi-beam or girder carrying SR1633 over CSX R.R. in Wake County, North Carolina. It was built in 1951, so it is 74 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 2,400 vehicles a day, roughly 7% of them trucks, projected to reach 4,800 by 2040. The structure is 106 ft (32.3 m) long and 20 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1633
CrossesCSX R.R.
Location0.1 Mi. E. Jct. NC55
RouteState Highway 1633
Coordinates35.82926, -78.87545
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29 US tons
Inventory rating17 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length106 ft (32.3 m)
Longest span34 ft (10.3 m)
Deck width20 ft (6 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2015)
Projected traffic4,800 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1633 over CSX R.R. built?

It was built in 1951, making it 74 years old in 2025.

What condition is SR1633 over CSX R.R. 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 SR1633 over CSX R.R. carry?

About 2,400 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is SR1633 over CSX R.R.?

The structure is 106 ft (32.3 m) long with a longest span of 34 ft (10.3 m) and a deck 20 ft wide.

Who owns SR1633 over CSX R.R.?

It is owned by the State Highway Agency.