US Bridges

SR 48 over Unnamed Stream

Good

Walthall County, Mississippi · 18.1 MI E SR 198 · Structure no. 310004807408060

Built
1984
41 years old
Condition
Good
inspected August 2024
Type
Channel Beam
Concrete
Length
76 ft
4 main spans
Daily traffic
590
2023 count
Owner
State
State Highway Agency

About this bridge

SR 48 over Unnamed Stream is a concrete channel beam carrying SR 48 over Unnamed Stream in Walthall County, Mississippi. It was built in 1984, so it is 41 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 590 vehicles a day, roughly 13% of them trucks, projected to reach 590 by 2043. The structure is 76 ft (23.2 m) long and 37 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

CarriesSR 48
CrossesUnnamed Stream
Location18.1 MI E SR 198
RouteState Highway 48
Coordinates31.03102, -89.86015
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating53.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic590 (2023)
Projected traffic590 by 2043
Trucks13%
Lanes on structure20
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.2 mi (47 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 48 over Unnamed Stream built?

It was built in 1984, making it 41 years old in 2025.

What condition is SR 48 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 August 2024.

How much traffic does SR 48 over Unnamed Stream carry?

About 590 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is SR 48 over Unnamed Stream?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 37 ft wide.

Who owns SR 48 over Unnamed Stream?

It is owned by the State Highway Agency.