US Bridges

I 59 over Allen Branch

Fair

Clarke County, Mississippi · 1.8 MI N SR 513 · Structure no. 110005901213500

Built
1965
60 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
14,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 59 over Allen Branch is a concrete culvert carrying I 59 over Allen Branch in Clarke County, Mississippi. It was built in 1965, so it is 60 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 14,000 vehicles a day, roughly 36% of them trucks, projected to reach 15,000 by 2043. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesI 59
CrossesAllen Branch
Location1.8 MI N SR 513
RouteInterstate 59
CountyClarke County
StateMississippi
Coordinates32.18667, -88.85678
Functional classRural Principal Arterial - Interstate

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,000 (2023)
Projected traffic15,000 by 2043
Trucks36%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$340 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I 59 over Allen Branch built?

It was built in 1965, making it 60 years old in 2025.

What condition is I 59 over Allen Branch 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 January 2023.

How much traffic does I 59 over Allen Branch carry?

About 14,000 vehicles per day (2023 count), of which roughly 36% are trucks.

How long is I 59 over Allen Branch?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.3 m).

Who owns I 59 over Allen Branch?

It is owned by the State Highway Agency.