US Bridges

SR 145 over Ditch

Good

Noxubee County, Mississippi · 1.0 MI N SR 39 · Structure no. 210004505212400

Built
1938
87 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
700
2023 count
Owner
State
State Highway Agency

About this bridge

SR 145 over Ditch is a concrete culvert carrying SR 145 over Ditch in Noxubee County, Mississippi. It was built in 1938, so it is 87 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 700 vehicles a day, roughly 30% of them trucks, projected to reach 700 by 2043. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 70.2 mi (113 km).

CarriesSR 145
CrossesDitch
Location1.0 MI N SR 39
RouteState Highway 145
Coordinates32.99315, -88.56229
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.
Culvert8 Very GoodNo problems noted.
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 rating49.3 US tons
Inventory rating29.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length32 ft (9.8 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2023)
Projected traffic700 by 2043
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed70.2 mi (113 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$331 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 145 over Ditch built?

It was built in 1938, making it 87 years old in 2025.

What condition is SR 145 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 November 2023.

How much traffic does SR 145 over Ditch carry?

About 700 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is SR 145 over Ditch?

The structure is 32 ft (9.8 m) long with a longest span of 15 ft (4.6 m).

Who owns SR 145 over Ditch?

It is owned by the State Highway Agency.