US Bridges

SR1139 over Southern Railway

Good

Cabarrus County, North Carolina · 0.3 Mi. S. Jct. SR1183 · Structure no. 000000000250181

Built
1990
35 years old
Condition
Good
inspected April 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
151 ft
3 main spans
Daily traffic
7,500
2018 count
Owner
State
State Highway Agency

About this bridge

SR1139 over Southern Railway is a steel stringer/multi-beam or girder carrying SR1139 over Southern Railway in Cabarrus County, North Carolina. It was built in 1990, so it is 35 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,500 vehicles a day, roughly 6% of them trucks, projected to reach 15,000 by 2040. The structure is 151 ft (46 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1139
CrossesSouthern Railway
Location0.3 Mi. S. Jct. SR1183
RouteState Highway 1139
Coordinates35.34669, -80.59702
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating65.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length151 ft (46 m)
Longest span66 ft (20.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2018)
Projected traffic15,000 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 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 SR1139 over Southern Railway built?

It was built in 1990, making it 35 years old in 2025.

What condition is SR1139 over Southern Railway in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2022.

How much traffic does SR1139 over Southern Railway carry?

About 7,500 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is SR1139 over Southern Railway?

The structure is 151 ft (46 m) long with a longest span of 66 ft (20.1 m) and a deck 31 ft wide.

Who owns SR1139 over Southern Railway?

It is owned by the State Highway Agency.