US Bridges

SR1831 over Dunhams Creek

Good

Moore County, North Carolina · 0.4 Mi. S. Jct. SR1805 · Structure no. 000000001250131

Built
1998
27 years old
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
75 ft
2 main spans
Daily traffic
1,700
2021 count
Owner
State
State Highway Agency

About this bridge

SR1831 over Dunhams Creek is a prestressed concrete slab carrying SR1831 over Dunhams Creek in Moore County, North Carolina. It was built in 1998, so it is 27 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,700 vehicles a day, roughly 6% of them trucks, projected to reach 3,400 by 2040. The structure is 75 ft (22.8 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1831
CrossesDunhams Creek
Location0.4 Mi. S. Jct. SR1805
RouteState Highway 1831
Coordinates35.31149, -79.35222
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.9 US tons
Inventory rating48.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20 + Mod
Structure length75 ft (22.8 m)
Longest span49 ft (14.9 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2021)
Projected traffic3,400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SR1831 over Dunhams Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is SR1831 over Dunhams Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does SR1831 over Dunhams Creek carry?

About 1,700 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1831 over Dunhams Creek?

The structure is 75 ft (22.8 m) long with a longest span of 49 ft (14.9 m) and a deck 30 ft wide.

Who owns SR1831 over Dunhams Creek?

It is owned by the State Highway Agency.