US Bridges

40th ST over Gallagher Creek

Fair

Lauderdale County, Mississippi · Sec 1 T 6N R15E · Structure no. SA3800000000077

Built
1970
55 years old, rebuilt 2018
Condition
Fair
inspected November 2023
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
2,200
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

40th ST over Gallagher Creek is a concrete channel beam carrying 40th ST over Gallagher Creek in Lauderdale County, Mississippi. It was built in 1970 and reconstructed in 2018, so it is 55 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 2,200 vehicles a day, roughly 5% of them trucks, projected to reach 3,300 by 2043. The structure is 31 ft (9.4 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries40th ST
CrossesGallagher Creek
LocationSec 1 T 6N R15E
RouteCity Street 7239
Coordinates32.39917, -88.71105
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.4 US tons
Inventory rating29.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2021)
Projected traffic3,300 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$600,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 40th ST over Gallagher Creek built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2018.

What condition is 40th ST over Gallagher Creek 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 November 2023.

How much traffic does 40th ST over Gallagher Creek carry?

About 2,200 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is 40th ST over Gallagher Creek?

The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m) and a deck 35 ft wide.

Who owns 40th ST over Gallagher Creek?

It is owned by the City or Municipal Highway Agency.