US Bridges

SR 302 over SR 178 Bnrr Ramp D SR305

Fair

DeSoto County, Mississippi · 1.1 MI E US 78 · Structure no. 31003020170181B

Built
2001
24 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,772 ft
12 main spans
Daily traffic
15,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 302 over SR 178 Bnrr Ramp D SR305 is a steel continuous stringer/multi-beam or girder carrying SR 302 over SR 178 Bnrr Ramp D SR305 in DeSoto County, Mississippi. It was built in 2001, so it is 24 years old, younger 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 15,000 vehicles a day, roughly 10% of them trucks, projected to reach 15,000 by 2043. The structure is 1,772 ft (540 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 302
CrossesSR 178 Bnrr Ramp D SR305
Location1.1 MI E US 78
RouteState Highway 302
CountyDeSoto County
StateMississippi
Coordinates34.96703, -89.83545
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating38.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length1,772 ft (540 m)
Longest span213 ft (65 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2023)
Projected traffic15,000 by 2043
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed1.2 mi (2 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 302 over SR 178 Bnrr Ramp D SR305 built?

It was built in 2001, making it 24 years old in 2025.

What condition is SR 302 over SR 178 Bnrr Ramp D SR305 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 June 2023.

How much traffic does SR 302 over SR 178 Bnrr Ramp D SR305 carry?

About 15,000 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SR 302 over SR 178 Bnrr Ramp D SR305?

The structure is 1,772 ft (540 m) long with a longest span of 213 ft (65 m) and a deck 42 ft wide.

Who owns SR 302 over SR 178 Bnrr Ramp D SR305?

It is owned by the State Highway Agency.