US Bridges

SR1106 over Rock Creek

Poor

Henderson County, North Carolina · .7 MI.E.JCT.SR1107 · Structure no. 000000000890066

Built
1959
66 years old
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
52 ft
2 main spans
Daily traffic
750
2022 count
Owner
State
State Highway Agency

About this bridge

SR1106 over Rock Creek is a steel continuous stringer/multi-beam or girder carrying SR1106 over Rock Creek in Henderson County, North Carolina. It was built in 1959, so it is 66 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.

It carries about 750 vehicles a day, roughly 6% of them trucks, projected to reach 1,500 by 2040. The structure is 52 ft (15.8 m) long and 22 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesSR1106
CrossesRock Creek
Location.7 MI.E.JCT.SR1107
RouteState Highway 1106
Coordinates35.1992, -82.48481
Functional classRural 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating74 US tons

Structure

MaterialSteel Continuous
DeckWood or timber
Main spans2
Design loadUnknown
Structure length52 ft (15.8 m)
Longest span25 ft (7.6 m)
Deck width22 ft (6.6 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2022)
Projected traffic1,500 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 SR1106 over Rock Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is SR1106 over Rock 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 June 2023.

How much traffic does SR1106 over Rock Creek carry?

About 750 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1106 over Rock Creek?

The structure is 52 ft (15.8 m) long with a longest span of 25 ft (7.6 m) and a deck 22 ft wide.

Who owns SR1106 over Rock Creek?

It is owned by the State Highway Agency.