US Bridges

SR 12 over Tchula Lake

Good

Holmes County, Mississippi · 0.8 MI W US 49E · Structure no. 310001202604950

Built
2011
14 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
252 ft
1 main span
Daily traffic
1,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 12 over Tchula Lake is a prestressed concrete stringer/multi-beam or girder carrying SR 12 over Tchula Lake in Holmes 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 1,000 vehicles a day, roughly 14% of them trucks, projected to reach 1,000 by 2043. The structure is 252 ft (76.9 m) long and 47 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesSR 12
CrossesTchula Lake
Location0.8 MI W US 49E
RouteState Highway 12
Coordinates33.11916, -90.30009
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating33.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length252 ft (76.9 m)
Longest span100 ft (30.5 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic1,000 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 Tchula Lake built?

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

What condition is SR 12 over Tchula Lake 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 December 2023.

How much traffic does SR 12 over Tchula Lake carry?

About 1,000 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 12 over Tchula Lake?

The structure is 252 ft (76.9 m) long with a longest span of 100 ft (30.5 m) and a deck 47 ft wide.

Who owns SR 12 over Tchula Lake?

It is owned by the State Highway Agency.