US Bridges

US 31 over Boggy Branch

Fair

Conecuh County, Alabama · 3.2 MI N CO RD 24 · Structure no. 015689

Built
1993
32 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
567
2023 count
Owner
State
State Highway Agency

About this bridge

US 31 over Boggy Branch is a concrete continuous culvert carrying US 31 over Boggy Branch in Conecuh County, Alabama. It was built in 1993, so it is 32 years old, younger 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 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 567 vehicles a day, roughly 15% of them trucks, projected to reach 850 by 2043. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesUS 31
CrossesBoggy Branch
Location3.2 MI N CO RD 24
RouteU.S. Route 31
StateAlabama
Coordinates31.5013, -86.76634
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.8 US tons
Inventory rating55.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic567 (2023)
Projected traffic850 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost$756,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 31 over Boggy Branch built?

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

What condition is US 31 over Boggy 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 February 2025.

How much traffic does US 31 over Boggy Branch carry?

About 567 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is US 31 over Boggy Branch?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m).

Who owns US 31 over Boggy Branch?

It is owned by the State Highway Agency.