US Bridges

US 51 over Brown Creek

Good

Grenada County, Mississippi · 0.5 MI S SR 8 · Structure no. 210005102220880

Built
1973
52 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
17,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 51 over Brown Creek is a concrete culvert carrying US 51 over Brown Creek in Grenada County, Mississippi. It was built in 1973, so it is 52 years old, older 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 17,000 vehicles a day, roughly 6% of them trucks, projected to reach 17,000 by 2043. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesUS 51
CrossesBrown Creek
Location0.5 MI S SR 8
RouteU.S. Route 51
Coordinates33.76344, -89.80893
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,000 (2023)
Projected traffic17,000 by 2043
Trucks6%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$316 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 51 over Brown Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is US 51 over Brown 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 June 2024.

How much traffic does US 51 over Brown Creek carry?

About 17,000 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is US 51 over Brown Creek?

The structure is 32 ft (9.8 m) long with a longest span of 14 ft (4.3 m).

Who owns US 51 over Brown Creek?

It is owned by the State Highway Agency.