US Bridges

Old HWY 31 over Flint Creek Relief

Fair

Morgan County, Alabama · 0.5 MI W SR 31 · Structure no. 003768

Built
1950
75 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
1,440
2007 count
Owner
County
County Highway Agency

About this bridge

Old HWY 31 over Flint Creek Relief is a concrete culvert carrying Old HWY 31 over Flint Creek Relief in Morgan County, Alabama. It was built in 1950, so it is 75 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 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 1,440 vehicles a day, roughly 10% of them trucks, projected to reach 2,996 by 2044. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesOld HWY 31
CrossesFlint Creek Relief
Location0.5 MI W SR 31
RouteCounty Highway 45
StateAlabama
Coordinates34.33248, -86.90906
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
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating85.3 US tons
Inventory rating51.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 15
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,440 (2007)
Projected traffic2,996 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$273,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old HWY 31 over Flint Creek Relief built?

It was built in 1950, making it 75 years old in 2025.

What condition is Old HWY 31 over Flint Creek 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 January 2025.

How much traffic does Old HWY 31 over Flint Creek Relief carry?

About 1,440 vehicles per day (2007 count), of which roughly 10% are trucks.

How long is Old HWY 31 over Flint Creek Relief?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns Old HWY 31 over Flint Creek Relief?

It is owned by the County Highway Agency.