US Bridges

Herschel Road over Unnamed Branch

PoorPosted for load

Stone County, Mississippi · Sec 19 T 3S R11W · Structure no. SA6600000000081

Built
1993
32 years old
Condition
Poor
inspected October 2024
Type
Box Beam or Girders - Multiple
Steel
Length
50 ft
1 main span
Daily traffic
45
2024 count
Owner
County
County Highway Agency

About this bridge

Herschel Road over Unnamed Branch is a steel box beam or girders - multiple carrying Herschel Road over Unnamed Branch in Stone County, Mississippi. It was built in 1993, so it is 32 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 45 vehicles a day, roughly 10% of them trucks, projected to reach 68 by 2044. The structure is 50 ft (15.2 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesHerschel Road
CrossesUnnamed Branch
LocationSec 19 T 3S R11W
RouteCounty Highway 246
Coordinates30.76781, -89.13292
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating7.6 US tons
Inventory rating4.6 US tons

Structure

MaterialSteel
DeckSteel plate
Main spans1
Design loadH 15
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width18 ft (5.4 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2024)
Projected traffic68 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$127,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Herschel Road over Unnamed Branch built?

It was built in 1993, making it 32 years old in 2025.

What condition is Herschel Road over Unnamed Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Herschel Road over Unnamed Branch carry?

About 45 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Herschel Road over Unnamed Branch?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 18 ft wide.

Who owns Herschel Road over Unnamed Branch?

It is owned by the County Highway Agency.