US Bridges

Old Highway 6 over Unnamed Local Branch

Fair

Monroe County, Mississippi · Sec 3 T12S R 7E · Structure no. SA4800000000019

Built
1969
56 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
996
2023 count
Owner
County
County Highway Agency

About this bridge

Old Highway 6 over Unnamed Local Branch is a concrete culvert carrying Old Highway 6 over Unnamed Local Branch in Monroe County, Mississippi. It was built in 1969, so it is 56 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 996 vehicles a day, roughly 10% of them trucks, projected to reach 1,485 by 2040. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesOld Highway 6
CrossesUnnamed Local Branch
LocationSec 3 T12S R 7E
RouteCounty Highway 1634
Coordinates34.05972, -88.55583
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.2 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic996 (2023)
Projected traffic1,485 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$127,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Highway 6 over Unnamed Local Branch built?

It was built in 1969, making it 56 years old in 2025.

What condition is Old Highway 6 over Unnamed Local 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 Old Highway 6 over Unnamed Local Branch carry?

About 996 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Old Highway 6 over Unnamed Local Branch?

The structure is 22 ft (6.8 m) long with a longest span of 10 ft (3 m).

Who owns Old Highway 6 over Unnamed Local Branch?

It is owned by the County Highway Agency.