US Bridges

SR1406 over Lithia Inn Branch

Fair

Lincoln County, North Carolina · 0.1 Mi. N. Jct. SR1258 · Structure no. 000000001090241

Built
1923
102 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
32 ft
1 main span
Daily traffic
5,000
2021 count
Owner
State
State Highway Agency

About this bridge

SR1406 over Lithia Inn Branch is a concrete tee beam carrying SR1406 over Lithia Inn Branch in Lincoln County, North Carolina. It was built in 1923, so it is 102 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 5,000 vehicles a day, roughly 7% of them trucks, projected to reach 10,000 by 2040. The structure is 32 ft (9.7 m) long and 26 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1406
CrossesLithia Inn Branch
Location0.1 Mi. N. Jct. SR1258
RouteState Highway 1406
Coordinates35.46078, -81.25235
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating32 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length32 ft (9.7 m)
Longest span29 ft (8.8 m)
Deck width26 ft (8 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2021)
Projected traffic10,000 by 2040
Trucks7%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1406 over Lithia Inn Branch built?

It was built in 1923, making it 102 years old in 2025.

What condition is SR1406 over Lithia Inn Branch 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 March 2024.

How much traffic does SR1406 over Lithia Inn Branch carry?

About 5,000 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR1406 over Lithia Inn Branch?

The structure is 32 ft (9.7 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns SR1406 over Lithia Inn Branch?

It is owned by the State Highway Agency.