US Bridges

I-20/59 over Tombigbee River Relief

Fair

Greene County, Alabama · 1.7 MI S of Boligee · Structure no. 010489

Built
1971
54 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
246 ft
6 main spans
Daily traffic
11,035
2013 count
Owner
State
State Highway Agency

About this bridge

I-20/59 over Tombigbee River Relief is a prestressed concrete continuous stringer/multi-beam or girder carrying I-20/59 over Tombigbee River Relief in Greene County, Alabama. It was built in 1971, so it is 54 years old, older than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 11,035 vehicles a day, roughly 44% of them trucks, projected to reach 13,652 by 2041. The structure is 246 ft (75 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-20/59
CrossesTombigbee River Relief
Location1.7 MI S of Boligee
RouteInterstate 59
CountyGreene County
StateAlabama
Coordinates32.77773, -88.05298
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating37.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length246 ft (75 m)
Longest span41 ft (12.5 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,035 (2013)
Projected traffic13,652 by 2041
Trucks44%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost$2.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-20/59 over Tombigbee River Relief built?

It was built in 1971, making it 54 years old in 2025.

What condition is I-20/59 over Tombigbee River Relief 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 May 2023.

How much traffic does I-20/59 over Tombigbee River Relief carry?

About 11,035 vehicles per day (2013 count), of which roughly 44% are trucks.

How long is I-20/59 over Tombigbee River Relief?

The structure is 246 ft (75 m) long with a longest span of 41 ft (12.5 m) and a deck 43 ft wide.

Who owns I-20/59 over Tombigbee River Relief?

It is owned by the State Highway Agency.