US Bridges

Old Magnolia HWY over Unnamed Local Branch

Good

Monroe County, Mississippi · Sec 21 T15S R 6E · Structure no. SA4800000000129

Built
1996
29 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
125
2024 count
Owner
County
County Highway Agency

About this bridge

Old Magnolia HWY over Unnamed Local Branch is a concrete culvert carrying Old Magnolia HWY over Unnamed Local Branch in Monroe County, Mississippi. It was built in 1996, so it is 29 years old, younger 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 125 vehicles a day, roughly 10% of them trucks, projected to reach 180 by 2043. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesOld Magnolia HWY
CrossesUnnamed Local Branch
LocationSec 21 T15S R 6E
RouteCounty Highway 1629
Coordinates33.75833, -88.66742
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.8 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2024)
Projected traffic180 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Magnolia HWY over Unnamed Local Branch built?

It was built in 1996, making it 29 years old in 2025.

What condition is Old Magnolia HWY over Unnamed Local Branch 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 January 2024.

How much traffic does Old Magnolia HWY over Unnamed Local Branch carry?

About 125 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Old Magnolia HWY over Unnamed Local Branch?

The structure is 22 ft (6.8 m) long with a longest span of 10 ft (3.1 m).

Who owns Old Magnolia HWY over Unnamed Local Branch?

It is owned by the County Highway Agency.