US Bridges

US 51 over Dement Creek

Good

Grenada County, Mississippi · 0.9 MI N SR 332 · Structure no. 21000510222122A

Built
2013
12 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
2,950
2023 count
Owner
State
State Highway Agency

About this bridge

US 51 over Dement Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US 51 over Dement Creek in Grenada County, Mississippi. It was built in 2013, so it is 12 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 2,950 vehicles a day, roughly 6% of them trucks, projected to reach 3,050 by 2043. The structure is 122 ft (37.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 51
CrossesDement Creek
Location0.9 MI N SR 332
RouteU.S. Route 51
Coordinates33.8084, -89.82133
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.1 US tons
Inventory rating40.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.1 m)
Longest span40 ft (12.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,950 (2023)
Projected traffic3,050 by 2043
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 US 51 over Dement Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is US 51 over Dement Creek 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 2023.

How much traffic does US 51 over Dement Creek carry?

About 2,950 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is US 51 over Dement Creek?

The structure is 122 ft (37.1 m) long with a longest span of 40 ft (12.2 m) and a deck 43 ft wide.

Who owns US 51 over Dement Creek?

It is owned by the State Highway Agency.