US Bridges

SR 548 over Unnamed Stream

Fair

Claiborne County, Mississippi · 9.4 MI E SR 18 · Structure no. 310054801100940

Built
1985
40 years old
Condition
Fair
inspected August 2024
Type
Channel Beam
Concrete
Length
155 ft
5 main spans
Daily traffic
190
2023 count
Owner
State
State Highway Agency

About this bridge

SR 548 over Unnamed Stream is a concrete channel beam carrying SR 548 over Unnamed Stream in Claiborne County, Mississippi. It was built in 1985, so it is 40 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 6 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 190 vehicles a day, roughly 12% of them trucks, projected to reach 190 by 2043. The structure is 155 ft (47.2 m) long and 26 ft wide. If it were closed, the detour would be 46 mi (74 km).

Location

Open in Google Maps
CarriesSR 548
CrossesUnnamed Stream
Location9.4 MI E SR 18
RouteState Highway 548
CountyClaiborne County
StateMississippi
Coordinates31.90246, -90.72281
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating88.5 US tons
Inventory rating53 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span31 ft (9.4 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2023)
Projected traffic190 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed46 mi (74 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 548 over Unnamed Stream built?

It was built in 1985, making it 40 years old in 2025.

What condition is SR 548 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 548 over Unnamed Stream carry?

About 190 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SR 548 over Unnamed Stream?

The structure is 155 ft (47.2 m) long with a longest span of 31 ft (9.4 m) and a deck 26 ft wide.

Who owns SR 548 over Unnamed Stream?

It is owned by the State Highway Agency.