US Bridges

Smith Co. 504 over Ichusa Creek

Fair

Smith County, Mississippi · Sec 4 T 3N R 9E B · Structure no. SA6500000000074

Built
1993
32 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
155 ft
5 main spans
Daily traffic
240
2021 count
Owner
County
County Highway Agency

About this bridge

Smith Co. 504 over Ichusa Creek is a prestressed concrete stringer/multi-beam or girder carrying Smith Co. 504 over Ichusa Creek in Smith County, Mississippi. It was built in 1993, so it is 32 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 240 vehicles a day, roughly 10% of them trucks, projected to reach 360 by 2043. The structure is 155 ft (47.2 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSmith Co. 504
CrossesIchusa Creek
LocationSec 4 T 3N R 9E B
RouteCounty Highway 330
Coordinates32.13549, -89.38558
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.5 US tons
Inventory rating33.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2021)
Projected traffic360 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$1.1 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Smith Co. 504 over Ichusa Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Smith Co. 504 over Ichusa Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Smith Co. 504 over Ichusa Creek carry?

About 240 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Smith Co. 504 over Ichusa Creek?

The structure is 155 ft (47.2 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns Smith Co. 504 over Ichusa Creek?

It is owned by the County Highway Agency.