US Bridges

SR 12 over Unnamed Ditch

Fair

Holmes County, Mississippi · 0.8 MI E US 49E · Structure no. 310001202605860

Built
1999
26 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
3,100
2023 count
Owner
State
State Highway Agency

About this bridge

SR 12 over Unnamed Ditch is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 12 over Unnamed Ditch in Holmes County, Mississippi. It was built in 1999, so it is 26 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 3,100 vehicles a day, roughly 14% of them trucks, projected to reach 3,100 by 2043. The structure is 90 ft (27.4 m) long and 47 ft wide. If it were closed, the detour would be 78.9 mi (127 km).

Location

Open in Google Maps
CarriesSR 12
CrossesUnnamed Ditch
Location0.8 MI E US 49E
RouteState Highway 12
CountyHolmes County
StateMississippi
Coordinates33.17467, -90.20798
Functional classRural Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating39.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2023)
Projected traffic3,100 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed78.9 mi (127 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 12 over Unnamed Ditch built?

It was built in 1999, making it 26 years old in 2025.

What condition is SR 12 over Unnamed 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 July 2024.

How much traffic does SR 12 over Unnamed Ditch carry?

About 3,100 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 12 over Unnamed Ditch?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 47 ft wide.

Who owns SR 12 over Unnamed Ditch?

It is owned by the State Highway Agency.