US Bridges

SR 21 over Stream

Good

Noxubee County, Mississippi · 0.8 MI N Kemper Cl · Structure no. 310002105206770

Built
1960
65 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
680
2023 count
Owner
State
State Highway Agency

About this bridge

SR 21 over Stream is a concrete culvert carrying SR 21 over Stream in Noxubee County, Mississippi. It was built in 1960, so it is 65 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 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 680 vehicles a day, roughly 14% of them trucks, projected to reach 680 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesSR 21
CrossesStream
Location0.8 MI N Kemper Cl
RouteState Highway 21
Coordinates32.93439, -88.75738
Functional classRural Minor Arterial

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.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 15
Structure length23 ft (7 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 traffic680 (2023)
Projected traffic680 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemNo

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 SR 21 over Stream built?

It was built in 1960, making it 65 years old in 2025.

What condition is SR 21 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 November 2023.

How much traffic does SR 21 over Stream carry?

About 680 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 21 over Stream?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns SR 21 over Stream?

It is owned by the State Highway Agency.