US Bridges

US 49 over Unnamed Stream

Good

Covington County, Mississippi · 1.4 MI N SR 35 · Structure no. 210004901610800

Built
1964
61 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
35 ft
2 main spans
Daily traffic
22,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 49 over Unnamed Stream is a concrete culvert carrying US 49 over Unnamed Stream in Covington County, Mississippi. It was built in 1964, so it is 61 years old, older 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 22,000 vehicles a day, roughly 27% of them trucks, projected to reach 27,000 by 2043. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 49
CrossesUnnamed Stream
Location1.4 MI N SR 35
RouteU.S. Route 49
Coordinates31.77443, -89.67858
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJune 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 rating48.1 US tons
Inventory rating28.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length35 ft (10.7 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,000 (2023)
Projected traffic27,000 by 2043
Trucks27%
Lanes on structure4
Traffic directionTwo-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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$340 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 49 over Unnamed Stream built?

It was built in 1964, making it 61 years old in 2025.

What condition is US 49 over Unnamed 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 June 2023.

How much traffic does US 49 over Unnamed Stream carry?

About 22,000 vehicles per day (2023 count), of which roughly 27% are trucks.

How long is US 49 over Unnamed Stream?

The structure is 35 ft (10.7 m) long with a longest span of 16 ft (4.9 m).

Who owns US 49 over Unnamed Stream?

It is owned by the State Highway Agency.