US Bridges

SR 348 over Darling Branch

Fair

Union County, Mississippi · 10.2 E SR 15 · Structure no. 310034807301020

Built
1976
49 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
2,100
2023 count
Owner
State
State Highway Agency

About this bridge

SR 348 over Darling Branch is a concrete culvert carrying SR 348 over Darling Branch in Union County, Mississippi. It was built in 1976, so it is 49 years old, older than the Mississippi average of 38.9 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 2,100 vehicles a day, roughly 11% of them trucks, projected to reach 2,100 by 2043. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSR 348
CrossesDarling Branch
Location10.2 E SR 15
RouteState Highway 348
Coordinates34.45234, -88.84743
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating110 US tons
Inventory rating66.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length21 ft (6.3 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2023)
Projected traffic2,100 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 SR 348 over Darling Branch built?

It was built in 1976, making it 49 years old in 2025.

What condition is SR 348 over Darling 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 January 2024.

How much traffic does SR 348 over Darling Branch carry?

About 2,100 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 348 over Darling Branch?

The structure is 21 ft (6.3 m) long with a longest span of 18 ft (5.5 m).

Who owns SR 348 over Darling Branch?

It is owned by the State Highway Agency.