US Bridges

SR1108 over Little Gunpowder Creek

Fair

Caldwell County, North Carolina · .4 MI.N.JCT.US321 · Structure no. 000000000270084

Built
2003
22 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
108 ft
3 main spans
Daily traffic
1,400
2021 count
Owner
State
State Highway Agency

About this bridge

SR1108 over Little Gunpowder Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying SR1108 over Little Gunpowder Creek in Caldwell County, North Carolina. It was built in 2003, so it is 22 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 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 1,400 vehicles a day, roughly 7% of them trucks, projected to reach 2,800 by 2040. The structure is 108 ft (32.9 m) long and 33 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

No coordinates are recorded for this structure.

CarriesSR1108
CrossesLittle Gunpowder Creek
Location.4 MI.N.JCT.US321
RouteState Highway 1108
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length108 ft (32.9 m)
Longest span34 ft (10.3 m)
Deck width33 ft (10 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2021)
Projected traffic2,800 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 SR1108 over Little Gunpowder Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is SR1108 over Little Gunpowder 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 SR1108 over Little Gunpowder Creek carry?

About 1,400 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR1108 over Little Gunpowder Creek?

The structure is 108 ft (32.9 m) long with a longest span of 34 ft (10.3 m) and a deck 33 ft wide.

Who owns SR1108 over Little Gunpowder Creek?

It is owned by the State Highway Agency.