US Bridges

County Rt. 13 over Tombigbee River Relief

Fair

Marengo County, Alabama · 1.3 Mi. E. Tombigbee Rv. · Structure no. 004313

Built
1952
73 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
204 ft
6 main spans
Daily traffic
50
1988 count
Owner
County
County Highway Agency

About this bridge

County Rt. 13 over Tombigbee River Relief is a concrete tee beam carrying County Rt. 13 over Tombigbee River Relief in Marengo County, Alabama. It was built in 1952, so it is 73 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 50 vehicles a day, projected to reach 75 by 2040. The structure is 204 ft (62.2 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCounty Rt. 13
CrossesTombigbee River Relief
Location1.3 Mi. E. Tombigbee Rv.
RouteCounty Highway 13
CountyMarengo County
StateAlabama
Coordinates32.4319, -88.01402
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.2 US tons
Inventory rating28.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 20
Structure length204 ft (62.2 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1988)
Projected traffic75 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost$1.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Rt. 13 over Tombigbee River Relief built?

It was built in 1952, making it 73 years old in 2025.

What condition is County Rt. 13 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 September 2024.

How much traffic does County Rt. 13 over Tombigbee River Relief carry?

About 50 vehicles per day (1988 count).

How long is County Rt. 13 over Tombigbee River Relief?

The structure is 204 ft (62.2 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns County Rt. 13 over Tombigbee River Relief?

It is owned by the County Highway Agency.