US Bridges

20th ST over Branch

Fair

Lauderdale County, Mississippi · Sec 8 T 6N R16E · Structure no. SA3800000000115

Built
1970
55 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
320
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

20th ST over Branch is a concrete culvert carrying 20th ST over Branch in Lauderdale County, Mississippi. It was built in 1970, 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.

It carries about 320 vehicles a day, roughly 1% of them trucks, projected to reach 480 by 2042. The structure is 25 ft (7.6 m) long and 102 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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Carries20th ST
CrossesBranch
LocationSec 8 T 6N R16E
RouteCity Street 7250
CountyLauderdale County
StateMississippi
Coordinates32.37813, -88.68972
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span11 ft (3.4 m)
Deck width102 ft (31.1 m)
Roadway width100 ft (30.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic320 (2022)
Projected traffic480 by 2042
Trucks1%
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$550,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 20th ST over Branch built?

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

What condition is 20th ST over Branch 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 February 2023.

How much traffic does 20th ST over Branch carry?

About 320 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is 20th ST over Branch?

The structure is 25 ft (7.6 m) long with a longest span of 11 ft (3.4 m) and a deck 102 ft wide.

Who owns 20th ST over Branch?

It is owned by the City or Municipal Highway Agency.