US Bridges

US 11 over Big Branch

Poor

Pearl River County, Mississippi · 10.7 MI N SR 43 North · Structure no. 210001105502300

Built
1937
88 years old
Condition
Poor
inspected November 2024
Type
Tee Beam
Concrete
Length
56 ft
3 main spans
Daily traffic
2,600
2023 count
Owner
State
State Highway Agency

About this bridge

US 11 over Big Branch is a concrete tee beam carrying US 11 over Big Branch in Pearl River 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 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.

It carries about 2,600 vehicles a day, roughly 16% of them trucks, projected to reach 2,600 by 2043. The structure is 56 ft (17.1 m) long and 27 ft wide. If it were closed, the detour would be 44.1 mi (71 km).

Location

Open in Google Maps
CarriesUS 11
CrossesBig Branch
Location10.7 MI N SR 43 North
RouteU.S. Route 11
CountyPearl River County
StateMississippi
Coordinates30.69019, -89.61902
Functional classRural Major Collector

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating43.5 US tons
Inventory rating26 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length56 ft (17.1 m)
Longest span16 ft (4.9 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2023)
Projected traffic2,600 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.1 mi (71 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$761 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 11 over Big Branch built?

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

What condition is US 11 over Big 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 November 2024.

How much traffic does US 11 over Big Branch carry?

About 2,600 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is US 11 over Big Branch?

The structure is 56 ft (17.1 m) long with a longest span of 16 ft (4.9 m) and a deck 27 ft wide.

Who owns US 11 over Big Branch?

It is owned by the State Highway Agency.