US Bridges

SR1107 over Silver Creek

Fair

Caldwell County, North Carolina · 0.4 MI.E.JCT.SR1784 · Structure no. 000000000270394

Built
1960
65 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
25 ft
3 main spans
Daily traffic
2,600
2021 count
Owner
State
State Highway Agency

About this bridge

SR1107 over Silver Creek is a concrete continuous culvert carrying SR1107 over Silver Creek in Caldwell County, North Carolina. It was built in 1960, so it is 65 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.

It carries about 2,600 vehicles a day, roughly 7% of them trucks, projected to reach 5,200 by 2040. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesSR1107
CrossesSilver Creek
Location0.4 MI.E.JCT.SR1784
RouteState Highway 1107
Coordinates35.81276, -81.39232
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2021)
Projected traffic5,200 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1107 over Silver Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is SR1107 over Silver 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 February 2024.

How much traffic does SR1107 over Silver Creek carry?

About 2,600 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR1107 over Silver Creek?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m).

Who owns SR1107 over Silver Creek?

It is owned by the State Highway Agency.