US Bridges

SR 145 over SR 30

Good

Prentiss County, Mississippi · SR 145 over SR 30 · Structure no. 310014505925250

Built
2009
16 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
367 ft
4 main spans
Daily traffic
2,400
2023 count
Owner
State
State Highway Agency

About this bridge

SR 145 over SR 30 is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 145 over SR 30 in Prentiss County, Mississippi. It was built in 2009, so it is 16 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 2,400 vehicles a day, roughly 4% of them trucks, projected to reach 2,400 by 2043. The structure is 367 ft (112 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 145
CrossesSR 30
LocationSR 145 over SR 30
RouteState Highway 145
Coordinates34.62537, -88.59027
Functional classUrban Other Principal 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.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.2 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length367 ft (112 m)
Longest span110 ft (33.5 m)
Deck width55 ft (16.7 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2023)
Projected traffic2,400 by 2043
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 145 over SR 30 built?

It was built in 2009, making it 16 years old in 2025.

What condition is SR 145 over SR 30 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 145 over SR 30 carry?

About 2,400 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SR 145 over SR 30?

The structure is 367 ft (112 m) long with a longest span of 110 ft (33.5 m) and a deck 55 ft wide.

Who owns SR 145 over SR 30?

It is owned by the State Highway Agency.