US Bridges

Spillway Rd. over Ditch

Fair

Rankin County, Mississippi · Sec 10 T 6N R 3E · Structure no. SA6100000000127

Built
1970
55 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
13,000
2023 count
Owner
County
County Highway Agency

About this bridge

Spillway Rd. over Ditch is a concrete culvert carrying Spillway Rd. over Ditch in Rankin County, Mississippi. It was built in 1970, so it is 55 years old, older 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 13,000 vehicles a day, roughly 8% of them trucks, projected to reach 19,500 by 2043. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSpillway Rd.
CrossesDitch
LocationSec 10 T 6N R 3E
RouteCounty Highway 424
Coordinates32.37928, -89.97311
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.2 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 15
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2023)
Projected traffic19,500 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Spillway Rd. over Ditch built?

It was built in 1970, making it 55 years old in 2025.

What condition is Spillway Rd. over Ditch 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 November 2023.

How much traffic does Spillway Rd. over Ditch carry?

About 13,000 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Spillway Rd. over Ditch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns Spillway Rd. over Ditch?

It is owned by the County Highway Agency.