US Bridges

SR1734 over Southern RR

Fair

Burke County, North Carolina · .2 MI.S.JCT.US64 70 · Structure no. 000000000230282

Built
1971
54 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
128 ft
3 main spans
Daily traffic
3,600
2021 count
Owner
State
State Highway Agency

About this bridge

SR1734 over Southern RR is a steel stringer/multi-beam or girder carrying SR1734 over Southern RR in Burke County, North Carolina. It was built in 1971, so it is 54 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.

It carries about 3,600 vehicles a day, roughly 6% of them trucks, projected to reach 7,200 by 2040. The structure is 128 ft (39 m) long and 52 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1734
CrossesSouthern RR
Location.2 MI.S.JCT.US64 70
RouteState Highway 1734
Coordinates35.73999, -81.56056
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating29 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length128 ft (39 m)
Longest span47 ft (14.3 m)
Deck width52 ft (15.8 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2021)
Projected traffic7,200 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1734 over Southern RR built?

It was built in 1971, making it 54 years old in 2025.

What condition is SR1734 over Southern RR 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 January 2024.

How much traffic does SR1734 over Southern RR carry?

About 3,600 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1734 over Southern RR?

The structure is 128 ft (39 m) long with a longest span of 47 ft (14.3 m) and a deck 52 ft wide.

Who owns SR1734 over Southern RR?

It is owned by the State Highway Agency.