US Bridges

SR 17 over Ditch

Good

Madison County, Mississippi · 8.4 MI N SR 43 · Structure no. 310001704501400

Built
1949
76 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
390
2023 count
Owner
State
State Highway Agency

About this bridge

SR 17 over Ditch is a concrete culvert carrying SR 17 over Ditch in Madison County, Mississippi. It was built in 1949, so it is 76 years old, older 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 390 vehicles a day, roughly 19% of them trucks, projected to reach 390 by 2043. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 34.8 mi (56 km).

CarriesSR 17
CrossesDitch
Location8.4 MI N SR 43
RouteState Highway 17
Coordinates32.83605, -89.89899
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.4 US tons
Inventory rating22.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length30 ft (9.1 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2023)
Projected traffic390 by 2043
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 17 over Ditch built?

It was built in 1949, making it 76 years old in 2025.

What condition is SR 17 over Ditch 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 March 2024.

How much traffic does SR 17 over Ditch carry?

About 390 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is SR 17 over Ditch?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m).

Who owns SR 17 over Ditch?

It is owned by the State Highway Agency.