US Bridges

SR 145 over SR 178

Good

Lee County, Mississippi · SR 145 over SR 178 · Structure no. 31001450410115A

Built
1967
58 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
273 ft
2 main spans
Daily traffic
11,500
2023 count
Owner
State
State Highway Agency

About this bridge

SR 145 over SR 178 is a prestressed concrete stringer/multi-beam or girder carrying SR 145 over SR 178 in Lee County, Mississippi. It was built in 1967, so it is 58 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 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 11,500 vehicles a day, roughly 1% of them trucks, projected to reach 13,000 by 2043. The structure is 273 ft (83.1 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 145
CrossesSR 178
LocationSR 145 over SR 178
RouteState Highway 145
Coordinates34.27363, -88.71566
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 inspectionDecember 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 rating57.4 US tons
Inventory rating34.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+3 approach)
Design loadHS 20
Structure length273 ft (83.1 m)
Longest span70 ft (21.3 m)
Deck width41 ft (12.4 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,500 (2023)
Projected traffic13,000 by 2043
Trucks1%
Lanes on structure2
Traffic directionOne-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 178 built?

It was built in 1967, making it 58 years old in 2025.

What condition is SR 145 over SR 178 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 2024.

How much traffic does SR 145 over SR 178 carry?

About 11,500 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is SR 145 over SR 178?

The structure is 273 ft (83.1 m) long with a longest span of 70 ft (21.3 m) and a deck 41 ft wide.

Who owns SR 145 over SR 178?

It is owned by the State Highway Agency.