US Bridges

14th ST over US 90

Good

Jackson County, Mississippi · 0.7 MI E SR 613 · Structure no. 510009003007000

Built
1985
40 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,425 ft
2 main spans
Daily traffic
5,200
2023 count
Owner
State
State Highway Agency

About this bridge

14th ST over US 90 is a prestressed concrete stringer/multi-beam or girder carrying 14th ST over US 90 in Jackson County, Mississippi. It was built in 1985, so it is 40 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 5,200 vehicles a day, roughly 8% of them trucks, projected to reach 5,200 by 2043. The structure is 1,425 ft (434.3 m) long and 63 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Carries14th ST
CrossesUS 90
Location0.7 MI E SR 613
RouteCity Street 0
Coordinates30.36809, -88.53902
Functional classUrban Collector

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating28 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+16 approach)
Design loadHS 20
Structure length1,425 ft (434.3 m)
Longest span115 ft (35.1 m)
Deck width63 ft (19.2 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2023)
Projected traffic5,200 by 2043
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed31.1 mi (50 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 14th ST over US 90 built?

It was built in 1985, making it 40 years old in 2025.

What condition is 14th ST over US 90 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 August 2023.

How much traffic does 14th ST over US 90 carry?

About 5,200 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is 14th ST over US 90?

The structure is 1,425 ft (434.3 m) long with a longest span of 115 ft (35.1 m) and a deck 63 ft wide.

Who owns 14th ST over US 90?

It is owned by the State Highway Agency.