US Bridges

Smith Co. 529 over Ichusa Creek

Fair

Smith County, Mississippi · Sec 9 T 3N R 9E B · Structure no. SA6500000000075

Built
1989
36 years old
Condition
Fair
inspected September 2023
Type
Channel Beam
Concrete
Length
145 ft
7 main spans
Daily traffic
220
2021 count
Owner
County
County Highway Agency

About this bridge

Smith Co. 529 over Ichusa Creek is a concrete channel beam carrying Smith Co. 529 over Ichusa Creek in Smith County, Mississippi. It was built in 1989, so it is 36 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 220 vehicles a day, roughly 12% of them trucks, projected to reach 330 by 2043. The structure is 145 ft (44.2 m) long and 25 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSmith Co. 529
CrossesIchusa Creek
LocationSec 9 T 3N R 9E B
RouteCounty Highway 65
Coordinates32.119, -89.38925
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.8 US tons
Inventory rating36.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadH 15
Structure length145 ft (44.2 m)
Longest span31 ft (9.4 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2021)
Projected traffic330 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$1.2 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Smith Co. 529 over Ichusa Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Smith Co. 529 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. 529 over Ichusa Creek carry?

About 220 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is Smith Co. 529 over Ichusa Creek?

The structure is 145 ft (44.2 m) long with a longest span of 31 ft (9.4 m) and a deck 25 ft wide.

Who owns Smith Co. 529 over Ichusa Creek?

It is owned by the County Highway Agency.