US Bridges

SR 178 over Stream

Fair

DeSoto County, Mississippi · 2.8 MI S Tenn State Line · Structure no. 310017801700280

Built
1936
89 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
7,500
2023 count
Owner
State
State Highway Agency

About this bridge

SR 178 over Stream is a concrete culvert carrying SR 178 over Stream in DeSoto County, Mississippi. It was built in 1936, so it is 89 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 7,500 vehicles a day, roughly 12% of them trucks, projected to reach 8,000 by 2043. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesSR 178
CrossesStream
Location2.8 MI S Tenn State Line
RouteState Highway 178
CountyDeSoto County
StateMississippi
Coordinates34.96859, -89.83478
Functional classUrban Other Principal Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.8 US tons
Inventory rating32.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length32 ft (9.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2023)
Projected traffic8,000 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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 178 over Stream built?

It was built in 1936, making it 89 years old in 2025.

What condition is SR 178 over Stream 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 SR 178 over Stream carry?

About 7,500 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SR 178 over Stream?

The structure is 32 ft (9.8 m) long with a longest span of 14 ft (4.3 m).

Who owns SR 178 over Stream?

It is owned by the State Highway Agency.