US Bridges

Smith CO.578 over Jump Creek

Good

Smith County, Mississippi · Sec 11 T 3N R 6E · Structure no. SA6500000000151

Built
2011
14 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
40
2022 count
Owner
County
County Highway Agency

About this bridge

Smith CO.578 over Jump Creek is a concrete culvert carrying Smith CO.578 over Jump Creek in Smith County, Mississippi. It was built in 2011, so it is 14 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 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 60 by 2043. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesSmith CO.578
CrossesJump Creek
LocationSec 11 T 3N R 6E
RouteCounty Highway 259
Coordinates32.10799, -89.66022
Functional classRural Local

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.2 US tons
Inventory rating44.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length25 ft (7.7 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2022)
Projected traffic60 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$550,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Smith CO.578 over Jump Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Smith CO.578 over Jump 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 September 2023.

How much traffic does Smith CO.578 over Jump Creek carry?

About 40 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Smith CO.578 over Jump Creek?

The structure is 25 ft (7.7 m) long with a longest span of 8 ft (2.4 m).

Who owns Smith CO.578 over Jump Creek?

It is owned by the County Highway Agency.