US Bridges

US 49SB to US 84WB over Unamed Stream

Good

Covington County, Mississippi · US 49/US 84 Intchg · Structure no. 27000490160977A

Built
2009
16 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
280
2023 count
Owner
State
State Highway Agency

About this bridge

US 49SB to US 84WB over Unamed Stream is a concrete culvert carrying US 49SB to US 84WB over Unamed Stream in Covington County, Mississippi. It was built in 2009, so it is 16 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 280 vehicles a day, roughly 17% of them trucks, projected to reach 350 by 2043. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 49SB to US 84WB
CrossesUnamed Stream
LocationUS 49/US 84 Intchg
RouteU.S. Route 49
Coordinates31.65491, -89.57351
Functional classRural Principal Arterial - Other

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length20 ft (6.1 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 traffic280 (2023)
Projected traffic350 by 2043
Trucks17%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 49SB to US 84WB over Unamed Stream built?

It was built in 2009, making it 16 years old in 2025.

What condition is US 49SB to US 84WB over Unamed 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 July 2023.

How much traffic does US 49SB to US 84WB over Unamed Stream carry?

About 280 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US 49SB to US 84WB over Unamed Stream?

The structure is 20 ft (6.1 m) long with a longest span of 10 ft (3 m).

Who owns US 49SB to US 84WB over Unamed Stream?

It is owned by the State Highway Agency.