US Bridges

SR 30 over Locks Creek Tributary

Good

Union County, Mississippi · 6.7 MI E Lafayette Cl · Structure no. 310003007302430

Built
2008
17 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
142 ft
3 main spans
Daily traffic
5,500
2023 count
Owner
State
State Highway Agency

About this bridge

SR 30 over Locks Creek Tributary is a prestressed concrete stringer/multi-beam or girder carrying SR 30 over Locks Creek Tributary in Union County, Mississippi. It was built in 2008, so it is 17 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 5,500 vehicles a day, roughly 6% of them trucks, projected to reach 6,000 by 2043. The structure is 142 ft (43.2 m) long and 47 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR 30
CrossesLocks Creek Tributary
Location6.7 MI E Lafayette Cl
RouteState Highway 30
Coordinates34.4672, -89.14036
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.4 US tons
Inventory rating31 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length142 ft (43.2 m)
Longest span60 ft (18.3 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2023)
Projected traffic6,000 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 30 over Locks Creek Tributary built?

It was built in 2008, making it 17 years old in 2025.

What condition is SR 30 over Locks Creek Tributary 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 30 over Locks Creek Tributary carry?

About 5,500 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SR 30 over Locks Creek Tributary?

The structure is 142 ft (43.2 m) long with a longest span of 60 ft (18.3 m) and a deck 47 ft wide.

Who owns SR 30 over Locks Creek Tributary?

It is owned by the State Highway Agency.