US Bridges

SR1108 over Duncans Creek

Fair

Harnett County, North Carolina · 0.2 MI S. of JCT SR1110 · Structure no. 000000000850063

Built
1968
57 years old
Condition
Fair
inspected June 2024
Type
Slab
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
1,600
2021 count
Owner
State
State Highway Agency

About this bridge

SR1108 over Duncans Creek is a prestressed concrete slab carrying SR1108 over Duncans Creek in Harnett County, North Carolina. It was built in 1968, so it is 57 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 1,600 vehicles a day, roughly 6% of them trucks, projected to reach 3,200 by 2040. The structure is 31 ft (9.4 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1108
CrossesDuncans Creek
Location0.2 MI S. of JCT SR1110
RouteState Highway 1108
Coordinates35.24739, -79.11014
Functional classRural Minor 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
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to 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 alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2021)
Projected traffic3,200 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Duncans Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is SR1108 over Duncans 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 June 2024.

How much traffic does SR1108 over Duncans Creek carry?

About 1,600 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1108 over Duncans Creek?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 30 ft wide.

Who owns SR1108 over Duncans Creek?

It is owned by the State Highway Agency.