US Bridges

NC690 over Buffalo Creek

Fair

Moore County, North Carolina · 0.9 Mi. E. Jct. SR2020 · Structure no. 000000001250200

Built
1979
46 years old
Condition
Fair
inspected September 2024
Type
Slab
Prestressed Concrete
Length
91 ft
3 main spans
Daily traffic
4,800
2022 count
Owner
State
State Highway Agency

About this bridge

NC690 over Buffalo Creek is a prestressed concrete slab carrying NC690 over Buffalo Creek in Moore County, North Carolina. It was built in 1979, so it is 46 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 4,800 vehicles a day, roughly 7% of them trucks, projected to reach 9,600 by 2040. The structure is 91 ft (27.7 m) long and 35 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesNC690
CrossesBuffalo Creek
Location0.9 Mi. E. Jct. SR2020
RouteState Highway 690
Coordinates35.18977, -79.1362
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length91 ft (27.7 m)
Longest span29 ft (8.8 m)
Deck width35 ft (10.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,800 (2022)
Projected traffic9,600 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 NC690 over Buffalo Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is NC690 over Buffalo 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 September 2024.

How much traffic does NC690 over Buffalo Creek carry?

About 4,800 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is NC690 over Buffalo Creek?

The structure is 91 ft (27.7 m) long with a longest span of 29 ft (8.8 m) and a deck 35 ft wide.

Who owns NC690 over Buffalo Creek?

It is owned by the State Highway Agency.