US Bridges

I 69 over US 51

Good

DeSoto County, Mississippi · I 69 over US 51 · Structure no. 31003040170140B

Built
2006
19 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
219 ft
3 main spans
Daily traffic
8,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 69 over US 51 is a prestressed concrete stringer/multi-beam or girder carrying I 69 over US 51 in DeSoto County, Mississippi. It was built in 2006, so it is 19 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,000 vehicles a day, roughly 10% of them trucks, projected to reach 9,500 by 2043. The structure is 219 ft (66.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 69
CrossesUS 51
LocationI 69 over US 51
RouteInterstate 69
Coordinates34.86155, -89.995
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating31 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length219 ft (66.7 m)
Longest span89 ft (27 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (2023)
Projected traffic9,500 by 2043
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 69 over US 51 built?

It was built in 2006, making it 19 years old in 2025.

What condition is I 69 over US 51 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 November 2024.

How much traffic does I 69 over US 51 carry?

About 8,000 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is I 69 over US 51?

The structure is 219 ft (66.7 m) long with a longest span of 89 ft (27 m) and a deck 44 ft wide.

Who owns I 69 over US 51?

It is owned by the State Highway Agency.