US Bridges

SR 305 Ramp over Bnrr

Good

DeSoto County, Mississippi · 1.4 MI N US 78 · Structure no. 370030501702380

Built
2001
24 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
344 ft
5 main spans
Daily traffic
2,200
2023 count
Owner
State
State Highway Agency

About this bridge

SR 305 Ramp over Bnrr is a steel continuous stringer/multi-beam or girder carrying SR 305 Ramp over Bnrr 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 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 2,200 vehicles a day, roughly 12% of them trucks, projected to reach 2,200 by 2043. The structure is 344 ft (105 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 305 Ramp
CrossesBnrr
Location1.4 MI N US 78
RouteState Highway 305
Coordinates34.96581, -89.83022
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.5 US tons
Inventory rating42.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length344 ft (105 m)
Longest span69 ft (21 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2023)
Projected traffic2,200 by 2043
Trucks12%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 305 Ramp over Bnrr built?

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

What condition is SR 305 Ramp over Bnrr 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 June 2023.

How much traffic does SR 305 Ramp over Bnrr carry?

About 2,200 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SR 305 Ramp over Bnrr?

The structure is 344 ft (105 m) long with a longest span of 69 ft (21 m) and a deck 34 ft wide.

Who owns SR 305 Ramp over Bnrr?

It is owned by the State Highway Agency.