US Bridges

SR 178 over Stream

Good

DeSoto County, Mississippi · 2.9 MI S Tenn State Line · Structure no. 310017801700290

Built
2000
25 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
30 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 2000, so it is 25 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,500 vehicles a day, roughly 12% of them trucks, projected to reach 8,000 by 2043. The structure is 30 ft (9.2 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesSR 178
CrossesStream
Location2.9 MI S Tenn State Line
RouteState Highway 178
Coordinates34.96768, -89.83338
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.7 US tons
Inventory rating40.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9.2 m)
Longest span12 ft (3.6 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 2000, making it 25 years old in 2025.

What condition is SR 178 over Stream 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 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 30 ft (9.2 m) long with a longest span of 12 ft (3.6 m).

Who owns SR 178 over Stream?

It is owned by the State Highway Agency.