US Bridges

SR 704 over Grays Creek

PoorPosted for load

Benton County, Mississippi · 0.16 MI E SR 7 · Structure no. 340000700516250

Built
1955
70 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
78 ft
4 main spans
Daily traffic
780
2023 count
Owner
State
State Highway Agency

About this bridge

SR 704 over Grays Creek is a wood or timber stringer/multi-beam or girder carrying SR 704 over Grays Creek in Benton County, Mississippi. It was built in 1955, so it is 70 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 780 vehicles a day, roughly 11% of them trucks, projected to reach 780 by 2043. The structure is 78 ft (23.8 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 704
CrossesGrays Creek
Location0.16 MI E SR 7
RouteState Highway 704
Coordinates34.91731, -89.31973
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 6 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans4
Design loadH 10
Structure length78 ft (23.8 m)
Longest span19 ft (5.8 m)
Deck width23 ft (7.1 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic780 (2023)
Projected traffic780 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$927 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 704 over Grays Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is SR 704 over Grays Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does SR 704 over Grays Creek carry?

About 780 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 704 over Grays Creek?

The structure is 78 ft (23.8 m) long with a longest span of 19 ft (5.8 m) and a deck 23 ft wide.

Who owns SR 704 over Grays Creek?

It is owned by the State Highway Agency.