US Bridges

Gallatin Street over I 55

Fair

Copiah County, Mississippi · 12.0 MI N Lincoln Cl · Structure no. 510005501505950

Built
1965
60 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
299 ft
4 main spans
Daily traffic
470
2023 count
Owner
State
State Highway Agency

About this bridge

Gallatin Street over I 55 is a concrete continuous box beam or girders - single or spread carrying Gallatin Street over I 55 in Copiah County, Mississippi. It was built in 1965, so it is 60 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 470 vehicles a day, roughly 8% of them trucks, projected to reach 470 by 2043. The structure is 299 ft (91.1 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGallatin Street
CrossesI 55
Location12.0 MI N Lincoln Cl
RouteCity Street 0
Coordinates31.85562, -90.41369
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating104.3 US tons
Inventory rating62.8 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length299 ft (91.1 m)
Longest span85 ft (25.9 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic470 (2023)
Projected traffic470 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 Gallatin Street over I 55 built?

It was built in 1965, making it 60 years old in 2025.

What condition is Gallatin Street over I 55 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Gallatin Street over I 55 carry?

About 470 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Gallatin Street over I 55?

The structure is 299 ft (91.1 m) long with a longest span of 85 ft (25.9 m) and a deck 29 ft wide.

Who owns Gallatin Street over I 55?

It is owned by the State Highway Agency.