US Bridges

SR1804 over Southwest Creek

Good

Lenoir County, North Carolina · 100FT.W.JCT.SR1820 · Structure no. 000000001070017

Built
2013
12 years old
Condition
Good
inspected March 2024
Type
Slab
Prestressed Concrete
Length
103 ft
3 main spans
Daily traffic
1,600
2021 count
Owner
State
State Highway Agency

About this bridge

SR1804 over Southwest Creek is a prestressed concrete slab carrying SR1804 over Southwest Creek in Lenoir County, North Carolina. It was built in 2013, so it is 12 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,600 vehicles a day, roughly 6% of them trucks, projected to reach 3,200 by 2040. The structure is 103 ft (31.3 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1804
CrossesSouthwest Creek
Location100FT.W.JCT.SR1820
RouteState Highway 1804
Coordinates35.24403, -77.52803
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating65.9 US tons
Inventory rating48 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length103 ft (31.3 m)
Longest span39 ft (11.8 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 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 SR1804 over Southwest Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is SR1804 over Southwest 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 March 2024.

How much traffic does SR1804 over Southwest Creek carry?

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

How long is SR1804 over Southwest Creek?

The structure is 103 ft (31.3 m) long with a longest span of 39 ft (11.8 m) and a deck 33 ft wide.

Who owns SR1804 over Southwest Creek?

It is owned by the State Highway Agency.