US Bridges

SR1819 over Thom-A-Lex Lake

Fair

Davidson County, North Carolina · 0.9 Mi. W. Jct. SR1798 · Structure no. 000000000570116

Built
1996
29 years old
Condition
Fair
inspected April 2024
Type
Slab
Prestressed Concrete
Length
224 ft
5 main spans
Daily traffic
1,500
2022 count
Owner
State
State Highway Agency

About this bridge

SR1819 over Thom-A-Lex Lake is a prestressed concrete slab carrying SR1819 over Thom-A-Lex Lake in Davidson County, North Carolina. It was built in 1996, so it is 29 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 1,500 vehicles a day, roughly 6% of them trucks, projected to reach 3,000 by 2040. The structure is 224 ft (68.2 m) long and 33 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesSR1819
CrossesThom-A-Lex Lake
Location0.9 Mi. W. Jct. SR1798
RouteState Highway 1819
CountyDavidson County
StateNorth Carolina
Coordinates35.8873, -80.18972
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 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 rating75.9 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20 + Mod
Structure length224 ft (68.2 m)
Longest span54 ft (16.4 m)
Deck width33 ft (10 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2022)
Projected traffic3,000 by 2040
Trucks6%
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 SR1819 over Thom-A-Lex Lake built?

It was built in 1996, making it 29 years old in 2025.

What condition is SR1819 over Thom-A-Lex Lake 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 April 2024.

How much traffic does SR1819 over Thom-A-Lex Lake carry?

About 1,500 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1819 over Thom-A-Lex Lake?

The structure is 224 ft (68.2 m) long with a longest span of 54 ft (16.4 m) and a deck 33 ft wide.

Who owns SR1819 over Thom-A-Lex Lake?

It is owned by the State Highway Agency.