US Bridges

Harmony Road over Stream

Good

Montgomery County, Mississippi · Sec 21 T21N R 7E · Structure no. SA490000000A129

Built
2022
3 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
36 ft
2 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Harmony Road over Stream is a concrete culvert carrying Harmony Road over Stream in Montgomery County, Mississippi. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 75 by 2033. The structure is 36 ft (11 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesHarmony Road
CrossesStream
LocationSec 21 T21N R 7E
RouteCounty Highway 179
CountyMontgomery County
StateMississippi
Coordinates33.66528, -89.56232
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating41.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length36 ft (11 m)
Longest span18 ft (5.5 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic75 by 2033
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$450,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Harmony Road over Stream built?

It was built in 2022, making it 3 years old in 2025.

What condition is Harmony Road over Stream 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 May 2023.

How much traffic does Harmony Road over Stream carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Harmony Road over Stream?

The structure is 36 ft (11 m) long with a longest span of 18 ft (5.5 m) and a deck 26 ft wide.

Who owns Harmony Road over Stream?

It is owned by the County Highway Agency.