US Bridges

SR 161 over Unnamed Stream

Fair

Claiborne County, Mississippi · 0.4 MI N Jefferson Cl · Structure no. 210006101107910

Built
1937
88 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
270
2023 count
Owner
State
State Highway Agency

About this bridge

SR 161 over Unnamed Stream is a concrete culvert carrying SR 161 over Unnamed Stream in Claiborne County, Mississippi. It was built in 1937, so it is 88 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 270 vehicles a day, roughly 8% of them trucks, projected to reach 330 by 2043. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 161
CrossesUnnamed Stream
Location0.4 MI N Jefferson Cl
RouteState Highway 161
Coordinates31.86719, -91.01437
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; extensive scour has occurred
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.3 US tons
Inventory rating49.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length22 ft (6.7 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 traffic270 (2023)
Projected traffic330 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$245 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 161 over Unnamed Stream built?

It was built in 1937, making it 88 years old in 2025.

What condition is SR 161 over Unnamed Stream in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does SR 161 over Unnamed Stream carry?

About 270 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SR 161 over Unnamed Stream?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns SR 161 over Unnamed Stream?

It is owned by the State Highway Agency.