US Bridges

SR1597 over Branch of Rocky Creek

FairPosted for load

Iredell County, North Carolina · 0.1 Mi. W. Jct. NC115 · Structure no. 000000000970474

Built
1950
75 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
60
1979 count
Owner
State
State Highway Agency

About this bridge

SR1597 over Branch of Rocky Creek is a steel stringer/multi-beam or girder carrying SR1597 over Branch of Rocky Creek in Iredell County, North Carolina. It was built in 1950, so it is 75 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 6 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 60 vehicles a day, projected to reach 120 by 2040. The structure is 37 ft (11.2 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR1597
CrossesBranch of Rocky Creek
Location0.1 Mi. W. Jct. NC115
RouteState Highway 1597
CountyIredell County
StateNorth Carolina
Coordinates36.01722, -80.9568
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length37 ft (11.2 m)
Longest span35 ft (10.6 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (1979)
Projected traffic120 by 2040
Trucks0%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1597 over Branch of Rocky Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is SR1597 over Branch of Rocky 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 May 2024.

How much traffic does SR1597 over Branch of Rocky Creek carry?

About 60 vehicles per day (1979 count).

How long is SR1597 over Branch of Rocky Creek?

The structure is 37 ft (11.2 m) long with a longest span of 35 ft (10.6 m) and a deck 18 ft wide.

Who owns SR1597 over Branch of Rocky Creek?

It is owned by the State Highway Agency.